Inventor

Koji Watanabe

Inventor

Tokyo, JP

Overview

1976–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 234 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification5%

H04WWireless communication networks5%

H05BElectric heating4%

H10DInorganic electric semiconductor devices4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

H01LSemiconductor devices3%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%

F01DNon-positive displacement machines or engines, e.g. steam turbines2%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h102%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

PatentTitleYear

11,129,267Active gas generation apparatus2021 10,711,865Speed reducing device for carriage and driving device for carriage2020 D0890310Seal2020 10,634,254Seal ring2020 10,626,280Nano-metal ink and process for producing metal film using same2020 D0876594Seal for shafts2020 D0875899Seal2020 D0875900Seal2020 D0873981Seal ring2020 10,508,735Controller of toroidal continuously variable transmission2019 10,504,997Silicon-germanium Fin structure having silicon-rich outer surface2019 10,381,292Lead frame and method of manufacturing lead frame2019 10,359,114Sealing device2019 10,356,969Component mounter2019 10,332,747Selective titanium nitride deposition using oxides of lanthanum masks2019 10,297,671Uniform threshold voltage for nanosheet devices2019 10,256,161Dual work function CMOS devices2019 10,252,258Method for separating and concentrating target substance using novel cationic graft polymer2019 10,229,975Fabrication of silicon-germanium fin structure having silicon-rich outer surface2019 10,217,839Field effect transistor (FET) with a gate having a recessed work function metal layer and method of forming the FET2019 10,189,931Graft polymer and method for producing same2019 10,170,477Forming MOSFET structures with work function modification2019 10,147,725Forming MOSFET structures with work function modification2018 10,084,055Uniform threshold voltage for nanosheet devices2018 9,956,634Device for coating thin molten solder film, thin solder film-covered component and manufacturing method therefor2018 9,890,839'Generating device for aircraft'2018 9,856,984'Sealing device'2018 9,788,385'Lighting device, lighting fixture, and lighting system'2017 9,773,721'Lead-free solder alloy, connecting member and a method for its manufacture, and electronic part'2017 9,773,875'Fabrication of silicon-germanium fin structure having silicon-rich outer surface'2017 9,765,861'Sealing arrangement of accessory to aircraft engine'2017 9,756,695'Lighting device capable of changing a color of illumination light and lighting fixture'2017 9,669,493'Layered solder material for bonding different species of electrodes and method of bonding the different species of electrodes in an electronic component'2017 9,521,717'LED driver, lighting equipment and light fixture'2016 9,491,823'Lighting device, lighting fixture and lighting system'2016 9,485,822'Lighting device, luminaire using lighting device, and lighting system using luminaire'2016 9,404,865'Developed-color measurement apparatus and method'2016 9,389,689'Touch screen device'2016 9,388,705'Sealing device'2016 9,327,364'Solder piece, chip solder and method of fabricating solder piece'2016 9,322,741'Exhaust gas analyzing system'2016 9,309,973'Sealing device and sealing structure'2016 9,278,580'Pneumatic tire and mold'2016 9,238,454'Brake control system'2016 9,239,681'Storage subsystem and method for controlling the storage subsystem'2016 9,215,643'Route selecting device and mobile radio communication system'2015 9,167,654'Solid light source lighting device, illumination apparatus, and illumination system'2015 9,157,530'Sealing device and sealing structure'2015 9,157,504'Anchoring device for filament body made of fiber reinforced plastic'2015 9,151,238'Fault diagnosis method, fault diagnosis system, and fault diagnosis device for engine'2015 9,140,675'Test system'2015 9,089,020'Dimming signal generation device and illumination control system using same'2015 9,010,171'Exhaust gas analyzing apparatus, exhaust gas analyzing system and method of operating the same'2015 8,996,231'Test system'2015 8,991,679'Solder piece, chip solder and method of fabricating solder piece'2015 8,967,968'Turbine rotor blade'2015 8,931,574'Lubrication structure for working device'2015 8,923,922'Mobile communication system and access gateway having plural user plane AGWS'2014 8,918,408'Candidate generation for predictive input using input history'2014 8,872,444'Lighting device for solid-state light source and illumination apparatus including same'2014 8,863,145'Storage apparatus and load distribution method'2014 8,844,937'Sealing device'2014 8,839,638'Cooling system for electronic equipment'2014 8,841,559'Copper column'2014 8,723,436'LED lighting device and illumination apparatus including same'2014 8,716,949'Lighting device for solid-state light source and illumination apparatus using same'2014 8,699,402'Multi-hop relay radio communication system, access gateway, and route selection method'2014 8,669,721'Solid state light source based lighting device and lighting system'2014 8,581,510'Discharge lamp lighting apparatus'2013 8,550,571'Brake control apparatus'2013 8,532,053'Wireless communication system and method for assuring communication quality of packet flow'2013 8,500,583'Aircraft starter generator'2013 8,493,928'Wireless system, for packet communication between base station and mobile stations'2013 8,489,918'Storage system and ownership control method for storage system'2013 8,449,431'Aircraft electric generation system'2013 8,447,304'Mobile communication system and access gateway having plural user plane AGWs'2013 8,412,892'Storage system and ownership control method for storage system'2013 8,400,983'Communication system and method, and gateway'2013 8,378,510'Starting and generating apparatus for engine'2013 8,363,584'Equipment and method for providing broadcast/multicast service in mobile communications'2013 8,348,437'Discharge lamp lighting device and image display device that controls electric power converter output on a historical basis'2013 8,343,865'Semiconductor device having dual work function metal'2013 8,324,829'Startup control for a high pressure discharge lamp ballast'2012 8,315,668'Mobile communication system and access gateway having plural user plane AGWS'2012 8,250,110'Data transfer method and proxy server, and storage subsystem'2012 8,222,834'HID lamp ballast with controlled DC step down circuit'2012 8,207,680'Discharge lamp ballast having an auto-transformer for high voltage detection'2012 8,199,504'Cooling system for electronic equipment'2012 8,184,575'Packet communication network and subscriber-associated-information delivery controller'2012 8,184,162'Radiation image capturing apparatus'2012 8,161,490'Storage apparatus and load distribution method'2012 8,140,075'Wireless communication system, server and mobile station therefor'2012 D0655991'Engine hedge trimmer'2012 8,134,972'Communication system and gateway apparatus'2012 8,134,480'Image processing system and method'2012 8,121,027'Access gateway, terminal and method of controlling flow in wireless system'2012 D0650734'Automobile tire'2011 8,068,500'Node device, packet control device, radio communication device, and transmission control method'2011 8,064,298'Recording medium reproducing device, a method for reproducing a recording medium, a program for reproducing a recording medium, and a recording medium'2011 8,038,143'Sheet delivery device and image forming device'2011 8,036,662'Method and apparatus for performing handoff in mobile network communication by immediately terminating a connection before changing the point of attachment to save network resources'2011 7,855,890'Cooling system for electronic equipment'2010 7,781,798'Solid-state image pickup device and fabrication method therefor'2010 7,764,680'Communication system and call control server'2010 7,747,242'Wireless communication system, base station, packet control function apparatus, node apparatus and accounting server'2010 7,735,356'Measuring apparatus and measuring method for concrete-forming materials'2010 7,712,892'Image forming apparatus'2010 7,701,018'Semiconductor device and method for manufacturing same'2010 7,692,391'Discharge lamp ballast, lighting system and projector'2010 7,667,745'Signal detecting system using a difference in sample hold circuit outputs'2010 7,645,514'Curing resin composition, adhesive epoxy resin paste, adhesive epoxy resin sheet, conductive connection paste, conductive connection sheet, and electronic component joined body'2010 7,635,123'Image forming apparatus, image forming method, and bypass sheet supplier capable of regulating and supplying recording medium'2009 7,626,303'Stator for inner rotor type mold brushless motor'2009 7,622,869'Discharge lamp ballast and projector'2009 7,615,500'Method for depositing film and method for manufacturing semiconductor device'2009 7,612,416'Semiconductor device having a conductive portion below an interlayer insulating film and method for producing the same'2009 7,610,049'Wireless communication system, server and mobile station therefor'2009 7,578,207'Measuring apparatus and measuring method for concrete-forming materials'2009 7,549,586'Optical measurement system and sample optical property management method'2009 7,544,522'Fabrication method of semiconductor integrated circuit device'2009 7,511,432'Discharge lamp lighting device, illumination device, and projector'2009 7,504,782'Discharge lamp lighting apparatus and projector'2009 7,385,701'Standard plane sample and optical characteristic measurement system'2008 D0547717'Automobile tire'2007 7,213,674'Transmission apparatus of all-terrain vehicle'2007 7,207,212'Device and method for weighing concrete material'2007 7,170,829'Information reproducing apparatus and method'2007 7,150,341'Transmission apparatus of all-terrain vehicle'2006 7,140,855'Inner mandrel'2006 7,126,262'Piezoelectric vibration gyro element, method for manufacturing the same, and piezoelectric vibration gyro sensor'2006 7,123,120'Solenoid'2006 7,072,673'Radio handset and position location system'2006 7,043,023'Software defined radio and radio system'2006 7,000,458'Weighing equipment for concrete material'2006 6,972,718'Position calculating method, signal receiver, and position calculating apparatus therefor'2005 6,950,661'Location detection method, location detection apparatus and location detection program'2005 6,902,262'Laminated ink jet recording head'2005 6,893,117'Laminated ink jet recording head'2005 6,863,255'Solenoid having fluid accumulating and plunger chambers'2005 6,849,970'Linear motor'2005 6,811,572'Plush leather-like sheet product and method for production thereof'2004 6,780,469'Nubuck-like artificial leather and a production process thereof'2004 6,764,382'Power transmission belt and method for fabricating the same'2004 6,751,962'Tail tube seal structure of combustor and a gas turbine using the same structure'2004 6,731,602'Packet communication system and packet communication apparatus'2004 6,695,735'Power transmission belt and method for fabricating the same'2004 6,679,962'Method for fabricating power transmission belt including grinding with specified grinding wheel'2004 6,664,118'Ferroelectric-type nonvolatile semiconductor memory and operation method thereof'2003 6,566,698'Ferroelectric-type nonvolatile semiconductor memory and operation method thereof'2003 6,544,360'Highly strengthened spring and process for producing the same'2003 6,502,929'Laminated ink jet recording head having a plurality of actuator units'2003 6,498,478'Azimuth measuring method, azimuth measuring apparatus, position measuring method, and position measuring apparatus'2002 6,484,034'Radio handset and position location system'2002 6,482,118'Power transmission belt and method for fabricating the same'2002 6,459,126'Semiconductor device including a MIS transistor'2002 D0461763'Automobile tire'2002 6,435,997'Power transmission belt and method for fabricating the same'2002 6,432,013'Power transmission belt and method for fabricating the same'2002 6,419,447'Gas turbine equipment and turbine blade'2002 6,290,462'Gas turbine cooled blade'2001 6,270,311'Gas turbine split ring'2001 6,220,036'Cooling structure for combustor tail pipes'2001 6,196,799'Gas turbine moving blade platform'2001 6,165,334'Dry etching apparatus'2000 6,153,898'Ferroelectric capacitor, method of manufacturing same and memory cell using same'2000 6,146,091'Gas turbine cooling structure'2000 6,144,275'Solenoid actuator'2000 6,084,516'Audio apparatus'2000 6,048,310'Audio apparatus'2000 6,043,561'Electronic material, its manufacturing method, dielectric capacitor, non-volatile memory and semiconductor device'2000 6,011,284'Electronic material, its manufacturing method, dielectric capacitor, nonvolatile memory and semiconductor device'2000 6,010,778'Coating composition utilizing modified sol having tin oxide-tungsten oxide complex colloid particles and lens coated therewith'2000 5,993,974'Porcelain-enameled steel sheets and frits for enameling'1999 5,906,494'Training apparatus for singing'1999 5,904,766'Process for preparing bismuth compounds'1999 5,816,098'Method and system for controlling attitude of lifting load utilizing gyro effect'1998 5,762,728'Wear-resistant cast aluminum alloy process of producing the same'1998 5,746,927'Electrical connecting device and method for making same'1998 5,681,403'Magnesium alloy'1997 D0379335'Automobile tire'1997 5,610,371'Electrical connecting device and method for making same'1997 5,605,418'Road snow melting system using a surface heating element'1997 5,561,954'Molding for a front glass'1996 5,555,685'Molding for a front glass'1996 5,553,428'Molding for a front glass'1996 5,525,062'Training apparatus for singing'1996 5,493,354'Information recording apparatus and information readout apparatus'1996 5,414,963'Belt grinding machine'1995 5,415,690'Coating composition'1995 5,370,076'Method of producing single crystal of KTiOPO.sub.4'1994 5,360,251'Flush mount molding member'1994 5,256,429'Composite sheet for artificial leather'1993 5,165,833'Clip'1992 5,148,185'Ink jet recording apparatus for ejecting droplets of ink through promotion of capillary action'1992 5,112,421'Method for the production of a composite sheet for artificial leather'1992 5,068,684'Image forming device'1991 5,035,560'Clip'1991 4,998,125'Remote-controlled camera'1991 4,945,381'Image forming apparatus'1990 4,914,562'Thermal jet recording apparatus'1990 4,905,538'Camshaft'1990 4,827,304'Camera'1989 4,821,381'Fastener made of synthetic resin'1989 4,790,014'Low-pitched sound creator'1988 4,743,483'Napped sheet having a pattern thereon and method for its production'1988 4,743,250'Artificial blood vessel and method of manufacture'1988 4,730,202'Camera'1988 4,709,949'Latch device'1987 4,695,280'Artificial vascular graft'1987 4,667,481'Method of and apparatus for emitting light in ice'1987 4,652,119'Range finder'1987 4,632,343'Fastening device for bundling band'1986 D0285049'Harness clip for wire or cable strapping'1986 4,584,701'Reverberator having tapped and recirculating delay lines'1986 4,556,511'Flame resistant oil'1985 4,524,451'Sound reproduction system having sonic image localization networks'1985 4,494,853'Photometric method for cameras'1985 4,492,450'Camera with microprocessor'1985 4,469,643'Phosphorus-containing compounds and process for producing the same'1984 4,467,248'Variable electronic flash light equipment'1984 4,466,913'Phosphorus-containing compounds and process for producing the same'1984 4,443,084'Film winding device'1984 4,441,798'Camera having a liquid crystal focusing screen'1984 4,436,253'Device for clamping one terminal end of a tape in a tape reel'1984 4,371,123'Tape reel'1983 4,350,006'Synthetic filaments and the like'1982 4,334,632'Stopper for opening'1982 4,248,470'Bottle carrier'1981 4,236,274'Pantographic open-close device'1980 4,234,137'Tape reel for video tape cassette'1980 4,226,382'Catching and holding the terminal end of a tape in a tape reel'1980 4,120,577'Color transfer copying process and apparatus using charge removing electrodes'1978 4,008,344'Multi-component fiber, the method for making said and polyurethane matrix sheets formed from said'1977 3,932,687'Fibrous configuration composed of a plurality of mutually entangled bundles of fine fibers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1996Patents assigned to KONISHIROKU PHOTO IND (11)· patent assignee history

1978–2021Based in Tokyo, JP· patent location history

1980–1996Patents assigned to NIFCO INC (16)· patent assignee history

1995–2015Based in Kawasaki, JP· patent location history

2000–2020Patents assigned to NOK CORP (15)· patent assignee history

2002–2016Patents assigned to HITACHI LTD (30)· patent assignee history

2002–2013Based in Kokubunji, JP· patent location history

2011–2018Patents assigned to WATANABE KOJI (53)· patent assignee history

2012–2017Based in Kyoto, JP· patent location history

2014–2020Based in Kitaibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WATANABE KOJIself	53	2011–2018
HITACHI LTD	30	2002–2016
NIFCO INC	16	1980–1996
NOK CORP	15	2000–2020
KONISHIROKU PHOTO IND	11	1978–1996

Locations

Location	Patents	Span
Tokyo, JP	20	1978–2021
Kyoto, JP	16	2012–2017
Kokubunji, JP	16	2002–2013
Kawasaki, JP	13	1995–2015
Kitaibaraki, JP	11	2014–2020