Inventor

Yasuyuki Tanaka

Inventor

Tokyo, JP

Overview

1978–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 170 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification12%

G11BInformation storage based on relative movement between record carrier and transducer11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

H04NPictorial communication, e.g. television6%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%

C07CAcyclic or carbocyclic compounds4%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

H04LTransmission of digital information, e.g. telegraphic communication3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

B82YSpecific uses or applications of nanostructures3%

PatentTitleYear

10,907,668Flow damper, pressure-accumulation and water-injection apparatus, and nuclear installation2021 10,900,508Flow damper, pressure-accumulation and water-injection apparatus, and nuclear installation2021 10,868,886Communication device scheduling communication processing, communication method, and computer program product2020 10,856,219Communication device, communication method, and computer program product2020 10,836,440Instrument panel beam, pair of brackets, and instrument panel beam assembly2020 10,764,025Communication apparatus, communication method, and computer program product2020 10,608,659A/D converter and semiconductor device2020 10,528,779Portable terminal2020 D0863303Barcode reader module2019 D0863304Barcode reader module2019 10,431,830Current collector for battery and battery using same2019 10,230,112Conductive film, current collector using same, battery and bipolar battery2019 10,193,159Current collector for secondary battery and secondary battery using the same2019 10,020,633Laser device2018 9,899,796'Laser device'2018 9,811,450'Semiconductor test apparatus for controlling tester'2017 9,721,439'Docking device, transaction processing system, and notification method'2017 9,699,384'Image signal processing apparatus and a control method thereof, and an image pickup apparatus and a control method thereof'2017 9,601,780'Multilayer conductive film, current collector using same, battery and bipolar battery'2017 9,537,152'Collector for bipolar lithium ion secondary batteries'2017 9,432,582'Image signal processing apparatus and a control method thereof, and an image pickup apparatus and a control method thereof'2016 9,374,371'Authentication apparatus and method thereof, and computer program'2016 9,291,698'Wireless communication device, wireless communication method, and computer program product'2016 9,294,269'Communication apparatus and communication method'2016 9,258,284'Server, method of group key notification and program'2016 9,209,629'Charge-discharge control device, charge-discharge control system, and computer program product'2015 9,184,601'Charge-discharge control device, charge-discharge monitoring device, charge-discharge control system, and computer program product'2015 9,143,486'Communication device, communication method and computer program'2015 9,077,040'Collector having multiple resin layers for bipolar lithium ion secondary battery'2015 9,077,700'Authentication server, authentication method and computer program'2015 9,065,692'Information notification apparatus, method, and program product'2015 9,065,639'Device for generating encryption key, method thereof and computer readable medium'2015 9,058,566'Control device, control method, and computer program product'2015 8,898,454'Communication device and communication method'2014 8,855,306'Node distributed with group key and group key updating'2014 8,750,511'Root node and a computer readable medium'2014 8,694,829'Computer program product, failure diagnosis method, and communication apparatus'2014 8,627,078'Communication apparatus and computer program product'2014 8,619,106'Thermal head and thermal printer including the same'2013 8,580,221'Chromium (III) carbonate and process for producing the same'2013 8,565,165'Wireless terminal device, communication method, and computer-readable recording medium'2013 8,498,021'Image processing apparatus and image forming apparatus configured to calculate a misregistration amount'2013 8,493,112'Signal processing apparatus'2013 8,402,655'Method of processing orifice'2013 8,406,671'Image forming apparatus and method of controlling minimum halftone dot size'2013 8,358,446'Reading apparatus, image forming apparatus and image forming method'2013 8,349,165'Process for producing an active cathode for electrolysis'2013 8,094,536'Reproducing apparatus'2012 7,788,672'System for controlling assignment of a plurality of modules of a program to available execution units based on speculative executing and granularity adjusting'2010 7,687,602'Deproteinized natural rubber, its composition and use thereof'2010 7,605,949'Image processing apparatus and image processing method adapted to correct color unevenness'2009 7,564,750'Reproducing apparatus'2009 7,362,957'Reproducing apparatus'2008 7,327,933'Variable-mode information signal reproduction apparatus with tracking control'2008 7,283,169'Timing signal apparatus'2007 7,145,593'Foldable mobile terminal device'2006 6,872,376'Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method'2005 6,863,966'Black magnetic acicular composite particles for magnetic recording medium and magnetic recording medium using the same'2005 6,803,104'Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles'2004 6,797,783'Modified natural rubber'2004 6,767,611'Black magnetic acicular containing composite particles magnetic recording medium'2004 6,638,675'Black magnetic toner'2003 6,613,298'Trivalent and tetravalent mixed vanadium compound producing method and vanadium electrolyte producing method'2003 6,562,532'Black magnetic toner and black magnetic composite particles therefor'2003 6,531,211'Black plate-shaped ferrite composite particles with magnet oplumbite structure and magnetic recording medium using the same'2003 6,522,831'Reproducing apparatus'2003 6,518,355'Pressure-sensitive rubber adhesive and pressure-sensitive adhesive sheet made using the same'2003 6,458,452'Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same'2002 6,432,508'High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium'2002 6,420,030'Black iron-based composite particles, process for producing the same, paint and rubber or resin composition containing the same'2002 6,416,864'Black magnetic composite particles for a black magnetic toner'2002 6,379,855'Black magnetic toner and black magnetic composite particles therefor'2002 6,352,776'Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles'2002 6,350,505'High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium'2002 6,351,507'Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data'2002 6,335,407'Deproteinized natural rubber and process for producing the same'2002 6,333,091'Bar-supportive buffer sheet'2001 6,294,242'Magnetic recording medium'2001 6,292,621'Recording apparatus for newly recording a second encoded data train on a recording medium on which an encoded data train is recorded'2001 6,289,427'Controlling a read address or a write address based on the quantity of data read from or written into a memory'2001 6,287,668'Magnetic recording medium and substrate therefor'2001 6,263,148'Variable-mode information signal reproduction apparatus with tracking control'2001 6,251,555'Black magnetic composite particles for black magnetic toner and black magnetic toner using the same'2001 6,248,437'Magnetic recording medium containing non-magnetic hematite particles as an undercoat layer'2001 6,239,253'Deproteinized natural rubber and process for producing the same'2001 6,207,279'High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium'2001 6,207,253'Acicular hematite particles and magnetic recording medium'2001 6,204,358'Process for producing deproteinized natural rubber using protease and anionic surfactant'2001 6,130,017'Black non-magnetic composite particles for black toner and black toner using the same'2000 6,124,022'Acicular hematite particles for non-magnetic undercoat layer of magnetic recording medium, and magnetic recording medium using the same'2000 6,120,898'Hematite particles and magnetic recording medium using hematite particles as non-magnetic particles for a non-magnetic undercoat layer'2000 6,117,540'Non-magnetic black particles, non-magnetic black pigment therefrom and non-magnetic black filler therefrom'2000 6,097,560'Reproducing apparatus having clock generator controlled by detected phase-difference and tendency of phase-difference'2000 6,087,004'Non-magnetic black particles, non-magnetic black pigment therefrom and non-magnetic black filler therefrom'2000 6,054,201'Magnetic recording medium'2000 6,042,937'Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same'2000 6,025,451'Method of producing particulate natural rubber'2000 5,982,310'Digital signal processing apparatus'1999 5,930,453'Image processing apparatus with two types of data format'1999 5,923,707'Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data'1999 5,910,567'Process for preparing deproteinized natural rubber latex molding and deproteinizing agent for natural rubber latex'1999 5,882,795'Non-magnetic coated particles having a defined parameter .alpha. of not less than 0.5'1999 5,867,330'Reproducing apparatus detecting pilot signals by binary data processing'1999 5,856,600'Production process of depolymerized natural rubber'1999 5,854,724'Magnetic head suspension assembly'1998 5,830,557'Non-magnetic undercoating layer for magnetic recording medium, magnetic recording medium and non-magnetic particles'1998 5,809,071'Signal processing apparatus'1998 5,774,290'Reproducing apparatus for varying clock frequencies based upon azimuth angles of a plurality of heads'1998 5,760,831'Image processing apparatus with white balance control'1998 5,750,250'Hematite particles and magnetic recording medium having a non-magnetic under-coat layer containing hematite (Fe.sub.2 O.sub.3) particles.'1998 5,666,717'Method for manufacturing a magnetic head suspension'1997 5,664,453'Hollow extruder die for extruding a hollow member of a zinc-containing aluminum alloy'1997 5,622,998'Depolymerized natural rubber and process for preparation thereof'1997 5,610,212'Means for mechanically stabilizing deproteinized natural rubber latex'1997 5,604,015'Non-magnetic undercoat layer for magnetic recording medium, magnetic recording medium and non-magnetic particles'1997 5,595,858'Manufacturing method for double-sided wiring board'1997 5,587,232'Non-magnetic particles for non-magnetic undercoating layer of magnetic recording medium, non-magnetic undercoating layer containing the same, and magnetic recording medium having the undercoating layer'1996 5,587,744'Image display apparatus'1996 5,585,459'Process for producing raw rubber'1996 5,582,910'Magnetic recording medium'1996 5,569,740'Deproteinized natural rubber latex and its production process'1996 5,570,199'Image processing device and method'1996 5,561,529'Image signal reproducing apparatus'1996 5,548,331'Clamping circuit'1996 5,534,357'Brazing sheet for vacuum brazing'1996 5,528,382'Reproduction apparatus for video signals accompanied by control information'1996 5,525,649'Magnetic paint and process for producing the same'1996 5,499,104'Apparatus for recording a video signal and stereophonic audio signals'1996 5,470,429'Surface-treating apparatus for can body blanks'1995 5,459,523'Image transmission device'1995 5,454,507'Method for vacuum brazing aluminum members'1995 5,365,380'Variable-speed video signal reproducing apparatus able to switch video signal interpolation'1994 5,361,491'Process for producing an IC-mounting flexible circuit board'1994 5,347,408'Magnetic recording and reproducing method and apparatus with vertical magnetization component reduction'1994 5,336,561'Magnetic recording medium'1994 5,321,169'Cyclohexane derivatives'1994 5,317,801'Method of manufacture of multilayer circuit board'1994 5,301,070'Information signal reproducing apparatus having three reproducing modes'1994 5,260,518'Multilayer circuit board for mounting ICs and method of manufacturing the same'1993 5,250,469'IC mounting circuit substrate and process for mounting the IC'1993 5,191,431'Recording apparatus having plural operating modes involving diverse signal compression rates and different apportioning of pilot signal recording area'1993 5,171,472'Phenylcyclohexyldioxane derivatives having an ether bond for electro-optical displays'1992 5,157,355'Phase-locked loop device having stability over wide frequency range'1992 5,124,207'Magnetic iron oxide particles'1992 5,089,629'Fluorine-substituted cyclohexylcyclohexene derivative'1992 5,077,046'Polyprenyl composition or compounds and process for the production thereof'1991 5,061,570'Magnetic recording medium comprising magnetic particles and a polyester resin having an iminosulfonyl group'1991 5,012,018'Polyprenyl composition of compounds and process for the production thereof'1991 4,964,616'Tricyclic cyclohexenyl cyclohexane derivative'1990 4,953,019'Image signal encoding apparatus'1990 4,946,986'Cyclohexene derivatives'1990 4,910,350'Fluorine-substituted cyclohexylcyclohexene derivative'1990 4,886,904'Polyprenyl composition or compounds and process for the production thereof'1989 4,820,878'Tolan-type nematic liquid crystalline compounds'1989 4,814,523'Nematic liquid crystal compound of four ring systems'1989 4,726,910'Tolan-type nematic liquid crystalline compounds'1988 4,713,468'Tolan-type nematic liquid crystalline compounds'1987 4,705,905'Tolan-type nematic liquid crystalline compounds'1987 4,705,870'Tolan-type nematic liquid crystalline compounds'1987 4,698,177'Cyclohexylcyclohexene derivatives'1987 4,654,421'4-substituted phenyl crotyl ether derivative'1987 4,525,303'Process for preparation of steroids'1985 4,431,700'Magnetic recording medium'1984 4,338,404'Gel permeation chromatographic packing and process for producing same utilizing suspension polymerization'1982 4,303,032'Process for forming can bodies'1981 4,226,201'Equipment for forming can bodies'1980 4,224,888'Method for forming cans'1980 4,135,964'Method of manufacturing die for embossing circuit pattern'1979 4,117,188'Lapped seam can'1978 4,106,420'Apparatus for forming cans'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1994Patents assigned to DAINIPPON INK & CHEMICALS (15)· patent assignee history

1985–2021Based in Tokyo, JP· patent location history

1990–2017Patents assigned to CANON KK (34)· patent assignee history

1991–2005Patents assigned to TODA KOGYO CORP (34)· patent assignee history

1991–2002Based in Hiroshima, JP· patent location history

1994–2020Based in Kanagawa, JP· patent location history

2000–2005Based in Onoda, JP· patent location history

2010–2020Patents assigned to TOSHIBA KK (21)· patent assignee history

2012–2019Patents assigned to TANAKA YASUYUKI (23)· patent assignee history

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	34	1990–2017
TODA KOGYO CORP	34	1991–2005
TANAKA YASUYUKIself	23	2012–2019
TOSHIBA KK	21	2010–2020
DAINIPPON INK & CHEMICALS	15	1985–1994

Locations

Location	Patents	Span
Tokyo, JP	64	1985–2021
Kanagawa, JP	19	1994–2020
Hiroshima, JP	18	1991–2002
Onoda, JP	16	2000–2005
Chigasaki, JP	8	2014–2020