Inventor

Kenji Nakajima

Inventor

Kawasaki, JP

Overview

1976–2021

Patent span

Physics

Primary field (CPC G)

Patents· 106 as inventor

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

G07Dprimary

G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing6%

G07FCoin-freed or like apparatus5%

Y10TTechnical subjects covered by former us classification5%

G06FElectric digital data processing4%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%

Y02TClimate change mitigation technologies related to transportation4%

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

G03CPhotosensitive materials for photographic purposes3%

B60LPropulsion of electrically-propelled vehicles2%

F16HGearing2%

PatentTitleYear

11,131,963Particle collection system with discharging electrode2021 11,079,711Image forming apparatus2021 11,072,506Belt driving device with steering roller2021 10,459,681Information processing apparatus, information processing method, and storage medium2019 10,124,756Hybrid vehicle2018 9,718,361'Power supply system'2017 9,444,380'Power converter and control method for power converter'2016 9,243,071'Fusion protein for suppression of autoantibodies'2016 9,086,797'Handwriting input device, and handwriting input method'2015 9,024,469'Motor-driven refrigerating apparatus for vehicle'2015 8,965,658'Vehicle controller and method for controlling vehicle'2015 8,829,863'Field winding type rotary electric machine'2014 8,818,674'Vehicle behavior controller'2014 8,803,818'Input apparatus, input determining method, and storage medium storing input program'2014 8,736,234'Power converter control apparatus'2014 8,736,235'Power generation motor control system'2014 8,704,400'Power converter for vehicle'2014 8,680,796'Control device and control method for power converter'2014 8,680,819'Field winding type rotary electric machine'2014 8,665,222'Handwriting-input device and method'2014 8,582,888'Method and apparatus for recognizing boundary line in an image information'2013 8,397,847'Electric power converter for vehicle'2013 8,339,074'Power converter control apparatus'2012 8,334,680'Field winding type generator-motor'2012 8,252,393'Surface-modified inorganic pigment, colored surface-modified inorganic pigment, recording medium and production processes thereof, and image forming method and recorded image'2012 8,163,360'Pigment dispersion and inkjet recording medium using the same'2012 8,155,818'Vehicle control system'2012 8,099,738'Message display device which changes a manner of displaying a message over time, and a non-transitory computer-readable medium storing a message display program changes a manner of displaying a message over time'2012 7,973,517'Control device for vehicle power converter'2011 7,796,818'Freehand input method, freehand input device, and computer program product'2010 7,713,101'Male terminal having a U-shaped cross section'2010 7,713,729'Biochemical analysis unit'2010 7,633,512'Information processing apparatus, information processing method and program'2009 7,634,718'Handwritten information input apparatus'2009 7,599,650'Developer bearing member, developing device, process cartridge and image forming apparatus'2009 7,594,832'Connector structure with a u-shaped cross section having a male terminal and a female terminal'2009 7,575,773'Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus'2009 7,531,057'Method for producing biochemical analysis unit'2009 7,421,594'Bus power device and power-source control method'2008 7,407,608'Resin molding equipment and resin molding method'2008 7,368,026'Biochemical analysis unit and method for producing thereof'2008 7,262,048'Biochemical analysis unit'2007 7,220,389'Biochemical analysis unit and method of producing thereof'2007 7,179,199'Control system for vehicle having an engine capable of performing and stopping combustion in each cylinder'2007 7,089,103'Control system for cylinder cutoff internal combustion engine'2006 6,918,826'Coin treating device'2005 6,812,982'Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus'2004 6,702,092'Coin assorter'2004 6,698,568'Coin sorter'2004 6,637,578'Coin processing device'2003 6,592,946'Method for coating a heat-development photo-sensitive material having a photo-sensitive layer and a protective layer'2003 6,508,700'Coin processing device'2003 6,488,577'Coin payout device'2002 6,376,929'Position switch of select lever for automatic transmission'2002 6,302,256'Coin handling device'2001 6,299,560'Control device for vehicle automatic transmission'2001 6,290,050'Coin-processing device'2001 6,261,169'Coin processing device'2001 6,186,946'Urinalysis stick for animals'2001 6,176,773'Coin dispenser'2001 6,141,178'Accessor hand mechanism having grooves for opening and closing fingers'2000 6,102,826'Control apparatus for vehicular automatic transmission'2000 6,026,063'Library apparatus having interconnected cell drum and door locking mechanisms'2000 5,939,181'Porous molded article'1999 5,936,955'Network for mutually connecting computers and communicating method using such network'1999 5,936,918'Library apparatus capable of rearranging of recording media'1999 5,903,974'Method of and apparatus for producing hollow ring groove insert for engine piston'1999 5,876,911'Silver halide photographic photosensitive material and its production'1999 5,853,801'Process for the preparation of continuous optical compensatory sheet'1998 5,835,492'Network for mutually connecting computers and communicating method using such network'1998 5,781,517'Accessor hand mechanism having grooves for opening and closing fingers'1998 5,757,738'Library apparatus'1998 5,712,023'Thermoplastic resin stretched film laminate having excellent printability'1998 5,684,766'Optical disk library apparatus with automatic head cleaning function'1997 5,677,393'Heat-resistant film adhesive for use in fabrication of printed circuit boards and process for using the same'1997 5,677,055'Thermoplastic polyester resin stretched film'1997 5,529,032'Valve-operation control system for internal combustion engine'1996 5,523,220'Method for producing 3,4-dihydroxyphthalic acid'1996 5,468,181'Coin processing apparatus'1995 5,456,225'Valve operating device for internal combustion engine'1995 5,393,571'Curtain coating method for eliminating sagging at high flow rates'1995 5,346,047'Coin processing apparatus'1994 5,336,534'Coating method employing ultrasonic waves'1994 5,328,014'Coin selector'1994 5,295,039'Method of applying single polar electro-static charges to continuously travelling long web support, and apparatus practicing same'1994 D0343717'Coin dispenser'1994 D0340948'Coin dispenser for a vending machine'1993 5,236,339'Coin selector'1993 5,194,511'Organic nonlinear optical materials derived from vinylidene cyanide-vinyl-p-acetoxy-benzoate copolymers'1993 5,184,709'Coin selector'1993 D0331781'Coin discriminator for an automatic vending machine'1992 5,154,272'Controller for an automatic vending machine'1992 D0329256'Coin changer for an automatic vending machine'1992 5,139,791'Feeding stimulators for fishes and shellfishes, and feed'1992 5,138,971'Web charging apparatus'1992 5,011,456'Coin receiving and discharging apparatus'1991 4,990,584'Piezoelectric or pyroelectric material'1991 4,985,179'Optical material'1991 4,837,045'Coating method'1989 4,789,079'Card dispenser'1988 4,765,375'Duct'1988 4,704,885'Apparatus for making connecting pipes for connecting ducts'1987 4,591,465'Method of producing polymeric electret element'1986 4,574,401'Toilet bowl'1986 4,283,080'Flange for a duct'1981 3,963,877'Synchronizing signal transmission system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2017Patents assigned to NAKAJIMA KENJI (26)· patent assignee history

1988–2003Based in Saitama, JP· patent location history

1989–2009Based in Kanagawa, JP· patent location history

1991–2005Patents assigned to NIPPON CONLUX CO LTD (17)· patent assignee history

1997–2019Patents assigned to FUJITSU LTD (16)· patent assignee history

1997–2015Based in Kawasaki, JP· patent location history

1999–2016Based in Tokyo, JP· patent location history

2011–2016Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history

2011–2014Based in Chiyoda-ku, JP· patent location history

2012–2016Patents assigned to MORI MASATO (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NAKAJIMA KENJIself	26	1981–2017
NIPPON CONLUX CO LTD	17	1991–2005
FUJITSU LTD	16	1997–2019
MITSUBISHI ELECTRIC CORP	13	2011–2016
MORI MASATO	11	2012–2016

Locations

Location	Patents	Span
Kawasaki, JP	15	1997–2015
Kanagawa, JP	12	1989–2009
Saitama, JP	12	1988–2003
Chiyoda-ku, JP	11	2011–2014
Tokyo, JP	6	1999–2016