Inventor

Hisashi Nakamura

Inventor

Higashimatsuyama, JP

Overview

1977–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 74 as inventor

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

F02Mprimary

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%

F02DControlling combustion engines7%

G11CStatic stores5%

H04NPictorial communication, e.g. television5%

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

F02BInternal-combustion piston engines3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

H10BElectronic memory devices3%

Y02TClimate change mitigation technologies related to transportation3%

B24BMachines, devices, or processes for grinding or polishing3%

PatentTitleYear

D0915469Wheel loader2021 D0911396Wheel loader2021 10,927,270Oil-based ink composition for writing instruments, and writing instrument, marking pen and ballpoint pen comprising the same2021 10,520,456Combustion experiment device2019 9,738,229'Carrier bar and carrier bar assembly structure'2017 9,562,868'Combustion experimental apparatus'2017 9,523,668'Fuel property determination method and fuel property determination device'2016 9,322,818'Fuel physical property determination method and fuel physical property determination device'2016 8,511,926'Water-based ballpoint pen'2013 8,186,836'Mobile Projector apparatus and method of controlling the same'2012 8,077,188'Gamma correction device and gamma correction method for liquid crystal display device'2011 7,884,812'Liquid crystal projector'2011 7,564,435'Liquid crystal projector cooling system dependent on air pressure and temperature variables'2009 7,538,558'Failure detection apparatus and failure detection method for a semiconductor apparatus'2009 7,374,289'Projection type video display'2008 7,354,159'Projection type video display'2008 7,348,712'Ultrasonic probe and ultrasonic diagnostic apparatus'2008 6,907,098'Gray code counter'2005 6,727,900'Semiconductor integrated circuit device'2004 6,698,898'Display device and liquid crystal projector'2004 6,694,084'Optical cable excess handling unit and optical cable wiring method'2004 6,225,702'Ball grid array to prevent shorting between a power supply and ground terminal'2001 6,054,759'Semiconductor chip and package with heat dissipation'2000 5,997,387'Grinding wheel with at least two wheel cores for circumferential grinding'1999 5,917,211'Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same'1999 5,805,513'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1998 5,746,584'Inner cam type fuel injection pump having modified plungers'1998 5,734,188'Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same'1998 5,673,422'Semiconductor integrated circuit for processing image data'1997 5,662,116'Multi-plane electronic scan ultrasound probe'1997 5,513,965'Distributor-type fuel injection pump'1996 5,469,852'Ultrasound diagnosis apparatus and probe therefor'1995 5,462,032'Fuel injection timing control device and method for internal combustion engine'1995 5,426,613'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1995 5,410,269'Sample-and-hold circuit'1995 5,309,011'Wafer scale or full wafer memory system, packaging method thereof, and wafer processing method employed therein'1994 5,303,512'Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding'1994 D0344285'Printer'1994 5,264,712'Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same'1993 D0340741'Printer'1993 5,228,241'Method and machine for grinding'1993 5,217,917'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1993 5,208,782'Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement'1993 5,191,224'Wafer scale of full wafer memory system, packaging method thereof, and wafer processing method employed therein'1993 5,165,851'Fuel injection pump'1992 5,160,944'Thermal printer with anti-slip sheet conveying mechanism'1992 5,155,694'Apparatus for measuring groove positions of a workpiece'1992 5,125,802'Injection timing control apparatus for distributor type fuel injection pumps'1992 5,115,783'Method for varying the flow rate of fuel in a distributor-type electronic control fuel-injection pump'1992 5,100,608'In-core nuclear instrumentation for fast breeder reactors'1992 5,013,519'Autonomous, decentralized fast breeder reactor system'1991 5,000,668'Distribution-type fuel injection pump'1991 4,985,711'Thermal printer with a tension roller'1991 4,977,882'Distributor type fuel injection pump'1990 4,971,749'Nuclear excitation laser type intra-reactor neutron flux measuring system'1990 4,965,653'Semiconductor device and method of mounting the semiconductor device'1990 4,953,589'Sealing device of delivery valve for fuel injection units'1990 4,926,902'Pressure equalizer valve device of fuel injection pump'1990 4,928,281'Semiconductor memory'1990 4,922,861'Multiple-purpose instantaneous gas water heater'1990 4,819,587'Multiple-purpose instantaneous gas water heater'1989 4,765,654'Single-sheet printer paper and a method for its use'1988 4,737,086'Fuel injection pump having variable prestroke mechanism'1988 4,700,367'Pulse width control circuit'1987 4,664,079'Fuel injection system for internal combustion engines'1987 4,661,051'Fuel injection pump with adjustable timing'1987 RE032132'Video signal play-back circuit'1986 4,508,080'Injection quantity correcting device for distribution type fuel injection pump'1985 4,449,500'Injection compensator for fuel injection pump'1984 4,414,947'Fuel injection system for multi-cylinder internal combustion engines, having high injection pressure'1983 4,408,591'Injection timing control device for distributor-type fuel injection pumps'1983 4,210,942'Video signal play-back circuit'1980 4,084,181'Apparatus for transmission of chrominance signals during blanking period'1978 4,051,528'Apparatus for optically reconstructing information'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to HITACHI LTD (14)· patent assignee history

1977–2017Based in Tokyo, JP· patent location history

1983–1991Patents assigned to DIESEL KIKI CO (11)· patent assignee history

1983–1998Based in Higashimatsuyama, JP· patent location history

1988–2004Patents assigned to MITSUBISHI ELECTRIC CORP (9)· patent assignee history

1990–1999Based in Ohme, JP· patent location history

1997–2011Based in Hyogo, JP· patent location history

2004–2012Patents assigned to SANYO ELECTRIC CO (7)· patent assignee history

2011–2017Patents assigned to NAKAMURA HISASHI (6)· patent assignee history

2016–2019Based in Sendai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	14	1977–1999
DIESEL KIKI CO	11	1983–1991
MITSUBISHI ELECTRIC CORP	9	1988–2004
SANYO ELECTRIC CO	7	2004–2012
NAKAMURA HISASHIself	6	2011–2017

Locations

Location	Patents	Span
Higashimatsuyama, JP	12	1983–1998
Tokyo, JP	10	1977–2017
Ohme, JP	10	1990–1999
Hyogo, JP	6	1997–2011
Sendai, JP	4	2016–2019