Inventor

Tsutomu Sato

Inventor

Yokohama, JP

Overview

1977–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 219 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography10%

H10DInorganic electric semiconductor devices7%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

C07DHeterocyclic compounds5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

B41JTypewriters4%

H10BElectronic memory devices4%

A61KPreparations for medical, dental or toiletry purposes4%

PatentTitleYear

10,968,535SiC single crystal production method and production apparatus2021 10,891,332Instrumentation diagram data generation device, instrumentation diagram search system, and computer readable medium2021 10,858,356Pyrazolopyridine derivative having GLP-1 receptor agonist effect2020 10,844,407Variant type tetraprenyl-b-curcumene cyclase and method for producing ambrein2020 10,386,752Toner cartridge2019 10,365,583Toner container2019 10,007,211Toner cartridge2018 9,989,889Toner container2018 D0819729Toner cartridge2018 9,902,979'Method for producing ambrein'2018 9,665,039'Toner container'2017 9,619,097'Touch panel and display device with touch panel'2017 9,581,938'Toner cartridge'2017 9,451,720'Electronic device'2016 9,301,917'Sustained-release pharmaceutical composition'2016 9,201,344'Toner container'2015 9,182,703'Toner container and image forming apparatus'2015 9,141,212'Display device with touch panel'2015 9,098,015'Toner cartridge'2015 9,092,099'Touch panel and display device with touch panel'2015 9,063,458'Toner container'2015 9,034,116'Composite steel part and manufacturing method for the same'2015 RE045462'Semiconductor device'2015 8,948,655'Image forming apparatus'2015 D0717369'Toner cartridge'2014 D0709946'Portion of a toner cartridge'2014 8,712,259'Toner cartridge'2014 8,625,186'Electrochromic compound, electrochromic composition, and display device'2014 8,618,823'Semiconductor device'2013 8,606,124'Toner cartridge'2013 8,551,871'Method of fabricating semiconductor device'2013 8,472,815'Toner cartridge'2013 8,420,040'Organic-inorganic composite and polymeric composite material, and method producing them'2013 8,311,420'Toner cartridge'2012 8,265,170'Data transmission system, and its transmission side apparatus and reception side apparatus'2012 8,207,134'Fused ring spiroketal derivative and use thereof as anti-diabetic drug'2012 8,207,330'Two-photon absorption material and application thereof'2012 8,192,917'Material for multiphoton fluorescence microscope and multiphoton fluorescence microscope'2012 8,150,275'Toner cartridge'2012 8,124,472'Manufacturing method of a semiconductor device'2012 8,117,706'Manual cleaning instrument'2012 8,064,805'Toner cartridge'2011 8,048,897'Cyclohexane derivative, prodrug thereof and salt thereof, and therapeutic agent containing the same for diabetes'2011 8,043,945'Method of fabricating semiconductor device'2011 8,023,082'Liquid crystal display device'2011 8,012,858'Method of fabricating semiconductor device'2011 8,013,398'Semiconductor device'2011 7,965,777'Data transmission system, and its transmission side apparatus and reception side apparatus'2011 7,957,680'Toner cartridge'2011 7,943,748'Glucitol derivative, prodrug thereof and salt thereof, and therapeutic agent containing the same for diabetes'2011 7,876,275'Electronic device'2011 7,864,264'Display device'2011 7,852,429'Display device with a portion of a flexible circuit projecting into a space in an opening or depression of a holder'2010 7,792,438'Toner cartridge'2010 7,767,651'Spiroketal derivatives and use thereof as diabetic medicine'2010 7,755,995'Recording and reproducing method for dye-based recordable DVD medium and apparatus for the same'2010 7,734,197'Toner cartridge having protrusion to show type of toner cartridge'2010 7,720,396'Toner cartridge having first protrusion that transmits sound by engaging second protrusion on image forming apparatus'2010 7,718,252'Inorganic fiber article'2010 7,645,656'Structure and method for making strained channel field effect transistor using sacrificial spacer'2010 7,574,163'Toner cartridge'2009 7,559,000'Integrated circuit device, diagnosis method and diagnosis circuit for the same'2009 7,553,969'Substituted phenethylamine derivatives'2009 7,542,105'Display device'2009 7,537,978'Semiconductor device and manufacturing method thereof'2009 7,539,452'Waste toner collecting apparatus, image forming apparatus and process cartridge of image forming apparatus'2009 7,532,556'Optical recording medium, recording and reproducing method, and recording and reproducing apparatus using heating pulses which are high-output at leading and trailing ends'2009 7,521,300'Semiconductor device substrate including a single-crystalline layer and method of manufacturing semiconductor device substrate'2009 7,510,945'Element formation substrate, method of manufacturing the same, and semiconductor device'2009 7,507,634'Method for fabricating a localize SOI in bulk silicon substrate including changing first trenches formed in the substrate into unclosed empty space by applying heat treatment'2009 7,480,223'Recording and reading method and device for dye based write-once DVD medium'2009 7,457,216'Method for recording/reproducing dye-based recordable DVD medium and apparatus thereof'2008 7,455,477'Compound, method for stabilizing shwertmannite, method for clarifying polluted water or polluted soil, and method for adsorbing phosphoric acid'2008 7,453,532'Display device'2008 7,439,008'Optical recording medium, and, method and apparatus for optical recording and reproducing using optical recording medium'2008 7,420,249'Semiconductor device formed in semiconductor layer arranged on substrate with one of insulating film and cavity interposed between the substrate and the semiconductor layer'2008 7,385,899'Recording and reproducing method for dye based recordable optical recording medium and apparatus using the same'2008 7,372,086'Semiconductor device including MOSFET and isolation region for isolating the MOSFET'2008 D0559895'Toner cartridge'2008 D0559896'Portion of a toner cartridge'2008 D0559894'Toner cartridge'2008 7,285,825'Element formation substrate for forming semiconductor device'2007 7,235,456'Method of making empty space in silicon'2007 7,226,724'Positive-type photosensitive composition'2007 7,208,353'Semiconductor device and manufacturing method thereof'2007 7,187,035'Semiconductor device comprising multiple layers with trenches formed on a semiconductor substrate'2007 7,157,213'Developer agent for positive type photosensitive compound'2007 7,148,543'Semiconductor chip which combines bulk and SOI regions and separates same with plural isolation regions'2006 7,145,215'Semiconductor device with a cavity therein and a method of manufacturing the same'2006 7,135,724'Structure and method for making strained channel field effect transistor using sacrificial spacer'2006 7,075,169'Semiconductor device having a hollow region and method of manufacturing the same'2006 7,071,039'Manufacturing method of partial SOI wafer, semiconductor device using the partial SOI wafer and manufacturing method thereof'2006 7,050,204'Optical reading apparatus and image forming apparatus'2006 7,019,364'Semiconductor substrate having pillars within a closed empty space'2006 7,019,365'Semiconductor device formed in semiconductor layer arranged on substrate with one of insulating film and cavity interposed between the substrate and the semiconductor layer'2006 7,018,904'Semiconductor chip having multiple functional blocks integrated in a single chip and method for fabricating the same'2006 7,018,981'Cyclic motilin receptor antagonists'2006 7,009,273'Semiconductor device with a cavity therein and a method of manufacturing the same'2006 6,979,846'Semiconductor device and manufacturing method thereof'2005 6,936,323'Optical recording medium, and method and device using the same'2005 6,911,300'Photogravure plate making method'2005 6,906,384'Semiconductor device having one of patterned SOI and SON structure'2005 6,893,928'Semiconductor device and method of manufacturing the same'2005 6,835,981'Semiconductor chip which combines bulk and SOI regions and separates same with plural isolation regions'2004 6,737,143'Optical recording medium, optical recording method and optical recording device'2004 6,720,433'Ethylamine derivatives'2004 6,679,732'Data-processing apparatus with wire harness and ferrite core'2004 6,630,714'Semiconductor device formed in semiconductor layer arranged on substrate with one of insulating film and cavity interposed between the substrate and the semiconductor layer'2003 6,610,853'N-(phenylsulfonyl)picolinamide derivatives, process for producing the same, and herbicide'2003 6,600,189'Semiconductor device and semiconductor device manufacturing method'2003 6,586,630'Ethylamine derivatives'2003 6,568,363'Auxiliary machinery mounting structure of an engine'2003 6,570,217'Semiconductor device and method of manufacturing the same'2003 6,552,380'Semiconductor device and manufacturing method thereof'2003 6,531,754'Manufacturing method of partial SOI wafer, semiconductor device using the partial SOI wafer and manufacturing method thereof'2003 6,388,811'Diffractive optical element including a diffractive grating pattern'2002 6,346,976'Liquid crystal display device'2002 6,339,045'N-(unsubstituted or substituted)-4-substituted-6-(unsubstituted or substituted)phenoxy-2-pyridinecarboxamides or thiocarboxamides, processes for producing the same, and herbicides'2002 6,294,535'Uracil derivatives and antitumor effect potentiator and antitumor agent containing the same'2001 6,255,285'Phenethylamine derivatives'2001 6,225,022'Optical recording medium and recording method using the same'2001 6,212,010'Diffractive optical element including a diffractive grating pattern'2001 6,198,887'Toner reservoir with wiper mechanism for wiping sensitive surface of toner sensor'2001 6,178,305'Toner cartridge installation structure for electrophotographic machine'2001 6,159,969'Uracil derivatives, and antitumor effect potentiator and antitumor agent containing the same'2000 6,159,901'6-phenoxy picolinic acid alkylidene hydrazide derivative, process for producing the same and herbicide using the same'2000 6,146,938'Method of fabricating semiconductor device'2000 6,144,828'Toner reservoir for use in electrostatic image generating apparatus'2000 6,100,132'Method of deforming a trench by a thermal treatment'2000 6,100,792'Car security apparatus and car security system'2000 6,056,834'Magnesium alloy and method for production thereof'2000 6,057,020'Optical recording medium and recording and/or reproduction method using the same'2000 6,038,428'Power control circuit for transmission apparatus'2000 6,021,000'Beam splitting diffractive optical element'2000 6,013,773'Pharmaceutical preparation containing human growth hormone'2000 5,969,347'Synchronizing apparatus of a cascade scanning optical system having tilting measurement of reflecting surfaces'1999 5,926,680'Fixing unit'1999 5,909,300'Scanning apparatus having a cascade scanning optical system'1999 5,906,177'Vehicle heating system'1999 5,903,378'Scanning apparatus having a cascade scanning optical system'1999 5,901,670'Variable heat generation viscous fluid type heat generator'1999 5,903,377'Scanning apparatus having a cascade scanning optical system'1999 5,880,294'D-pentofuranose derivatives and process for preparing the same'1999 5,871,149'Viscous fluid type heat generator'1999 5,867,299'Cascade scanning optical system'1999 5,863,703'Optical information recording medium using a phthalocyanine compound'1999 5,845,608'Variable capacity type viscous heater'1998 5,842,100'Fixing unit'1998 5,835,835'Fixing unit having press roller opening/closing mechanisms'1998 5,828,479'Cascade scanning optical system'1998 5,825,522'Cascade scanning optical system'1998 5,805,986'High-frequency step attenuator suitable for transmission circuit'1998 5,788,151'Viscous fluid type heat generators'1998 5,744,475'Uracil derivatives, and antitumor effect potentiator and antitumor agent containing the same'1998 5,739,877'Active matrix liquid crystal display in which the gate and/or drain lines are made of a Cr-Mo alloy'1998 5,726,128'Benzyloxypyrimidine derivative, processes for producing the same and herbicidal composition'1998 5,723,412'2-benzyloxy-4-phenoxypyrimidine derivative, processes for producing the derivative and herbicidal composition containing the derivative'1998 5,694,197'Corneal shape measuring apparatus'1997 5,691,277'2-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine, process for producing the same, and herbicidal composition'1997 5,683,964'N-(substituted amino)imide derivatives, preparation process thereof, and herbicidal composition'1997 5,677,025'Optical information recording medium near infrared absorbing material therefor'1997 5,676,479'Feeding controller for printer'1997 5,660,970'Optical information recording medium using a squarylium compound'1997 5,658,888'Erythromycin derivatives'1997 5,650,353'Method for production of SOI substrate'1997 5,649,274'Electrophotographic printer using a continuous-form recording sheet'1997 5,624,942'2-phenoxy-6-thienylmethyloxypyridine derivative and herbicidal composition containing same'1997 5,612,287'N-(substituted amino) pyrrole derivatives preparation process thereof, and herbicidal compositions'1997 5,604,178'N-(substituted amino)pyrrole derivatives, and herbicidal compositions'1997 5,599,770'Herbicidal composition containing 2-benzyloxypyrimidine derivatives, processes for producing the derivatives and 2-benzyloxypyrimidine derivatives'1997 5,565,972'Electrophotographic printer using a continuous-form recording sheet'1996 5,564,845'Continuous form printer having multiple feed sensors and method'1996 5,549,401'Continuous form printer'1996 5,516,220'Continuous form printer having adjustable tractors'1996 5,493,377'Continuous form printer'1996 5,479,242'Fan system for electrophotographic apparatus'1995 5,475,872'Portable telephone with external transmitter-receiver connections'1995 5,472,909'Method for the preparation of discrete substrate plates of semiconductor silicon wafer'1995 5,391,741'Squarylium compound and optical information recording medium using the same'1995 5,305,068'Continuous paper feed prevention lock mechanism for printer'1994 5,305,062'Conductive structure for electrophotographic imaging device'1994 5,274,354'Security device'1993 5,247,279'Vehicle security system with gear shift position sensor and door interlock'1993 5,160,914'Vehicle security system with speed sensor and door interlock'1992 5,154,873'Method and apparatus for mounting slice base on wafer of semiconductor'1992 5,148,284'Data recovery device for printer'1992 5,142,756'Apparatus for loading and re-slicing semiconductor wafer'1992 5,136,330'Irregular rotation prevention structure for photoconductive drum'1992 5,109,255'Temperature control system'1992 5,101,228'Storage vessel detecting mechanism'1992 5,091,748'Toner supplying mechanism'1992 5,061,957'Power controlling device'1991 4,891,305'Optical information recording element'1990 4,791,366'Apparatus including a pair of angularly spaced sensors for detecting angle of rotation of a rotary member'1988 4,767,693'Optical information recording medium'1988 4,760,406'Laser printer interface circuit'1988 4,758,499'Optical information recording medium'1988 4,752,554'Optical information recording medium'1988 4,735,839'Optical information recording medium'1988 4,714,667'Optical information recording medium'1987 4,698,778'Method of processing gradation information with variable magnification'1987 4,696,892'Optical information recording medium'1987 4,694,353'Digital scanner'1987 4,656,121'Optical information recording medium'1987 4,626,496'Optical information recording medium'1986 4,555,711'Deflection control ink jet operation adjustment control'1985 4,550,321'Charged ink-printer droplet detection'1985 4,527,170'Ink jet waste and replenish ink system'1985 4,413,899'Copying method and apparatus'1983 4,370,398'Electrostatic copying process'1983 4,355,413'Phase locked loop circuit'1982 4,329,416'Methods for preparing plural layer organic electrophotographic elements'1982 4,301,459'Ink ejection apparatus comprising entrained air removal means'1981 4,300,144'Multiple-nozzle ink-jet recording apparatus'1981 4,271,366'Analog signal delay circuit'1981 4,245,224'Drive circuit for ink jet discharging head'1981 4,222,060'Ink jet printing apparatus'1980 4,184,168'Ink-on-demand type ink jet head driving circuit'1980 4,061,980'Radio receiver with plural converters and frequency control'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2021Based in Tokyo, JP· patent location history

1980–2010Patents assigned to RICOH KK (37)· patent assignee history

1980–2012Based in Yokohama, JP· patent location history

1988–2000Based in Iwaki, JP· patent location history

1991–2002Patents assigned to ASAHI OPTICAL CO LTD (31)· patent assignee history

1997–2020Based in Shizuoka, JP· patent location history

2000–2019Patents assigned to TOSHIBA KK (61)· patent assignee history

2006–2019Patents assigned to TOSHIBA TEC KK (30)· patent assignee history

2008–2019Based in Izunokuni Shizuoka, JP· patent location history

2011–2016Patents assigned to SATO TSUTOMU (20)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	61	2000–2019
RICOH KK	37	1980–2010
ASAHI OPTICAL CO LTD	31	1991–2002
TOSHIBA TEC KK	30	2006–2019
SATO TSUTOMUself	20	2011–2016

Locations

Location	Patents	Span
Yokohama, JP	52	1980–2012
Tokyo, JP	44	1977–2021
Izunokuni Shizuoka, JP	23	2008–2019
Shizuoka, JP	15	1997–2020
Iwaki, JP	13	1988–2000