Inventor · disambiguated record
Yuji Nakajima
Also filed as: NAKAJIMA YUJI
116 granted patents·55 pending applications·2,208 citations·filing 1979–2025
99Inventor score
Top patents by PatentIndex Score
171 records- 0195US7990693B2Electronic apparatusTOSHIBA KK·Filed 2007·Granted Aug 2, 2011·32 cites·10 claims
- 0295US6045908ABiodegradable fiber and non-woven fabricCHISSO CORP·Filed 1996·Granted Apr 4, 2000·117 cites·15 claims
- 0393US7710728B2Electronic deviceTOSHIBA KK·Filed 2007·Granted May 4, 2010·33 cites·15 claims
- 0493US7310227B2Electronic apparatusTOSHIBA KK·Filed 2006·Granted Dec 18, 2007·53 cites·17 claims
- 0592US8867200B2Electronic apparatusSUZUKI HIROMICHI·Filed 2012·Granted Oct 21, 2014·11 cites·8 claims
- 0692US7855874B2Battery unitTOSHIBA KK·Filed 2008·Granted Dec 21, 2010·12 cites·17 claims
- 0792US7012802B2Electronic apparatus including optical guide that guides light from light-emitting diode to outside of housingTOSHIBA KK·Filed 2004·Granted Mar 14, 2006·84 cites·20 claims
- 0892US5029118APeriodic noise canceling system and methodNISSAN MOTOR·Filed 1989·Granted Jul 2, 1991·57 cites·22 claims
- 0991US9924719B2Pyridazine compoundSUMITOMO CHEMICAL CO·Filed 2015·Granted Mar 27, 2018·8 cites·13 claims
- 1089US5715139APortable electronic apparatus having a frame supporting functional components, and method of assembling the portable electronic apparatusTOSHIBA KK·Filed 1994·Granted Feb 3, 1998·118 cites·17 claims
- 1188US6274237B1Potentially crimpable composite fiber and a non-woven fabric using the sameCHISSO CORP·Filed 2000·Granted Aug 14, 2001·40 cites·7 claims
- 1288US5581443AStructure for cooling a circuit module having a circuit board and a heat-generating IC chip mounted on the board, and portable electronic apparatus incorporating the structureTOSHIBA KK·Filed 1995·Granted Dec 3, 1996·116 cites·20 claims
- 1388US5093583AElectric power supply system for automobileHITACHI LTD·Filed 1989·Granted Mar 3, 1992·70 cites·25 claims
- 1487US9802930B1Pyrimidinone compoundSUMITOMO CHEMICAL CO·Filed 2015·Granted Oct 31, 2017·8 cites·7 claims
- 1587US5784256APortable computer having a circuit board including a heat-generating IC chip and a metal frame supporting the circuit boardTOSHIBA KK·Filed 1996·Granted Jul 21, 1998·88 cites·15 claims
- 1686US6661650B2Electronic apparatus with cover for component having a wall to clamp the keyboardTOSHIBA KK·Filed 2002·Granted Dec 9, 2003·37 cites·14 claims
- 1786US6430039B2Portable information apparatus having a display unit comprising a housing and a display contained in the housingTOSHIBA KK·Filed 2001·Granted Aug 6, 2002·43 cites·8 claims
- 1885US7838784B2Electronic apparatus having a housing having a liquid drain structureTOSHIBA KK·Filed 2007·Granted Nov 23, 2010·14 cites·13 claims
- 1985US4805989AMulti-layered back reflecting mirrorHOYA CORP·Filed 1987·Granted Feb 21, 1989·51 cites·8 claims
- 2084US7551431B2Electronic device with rotatable display panelTOSHIBA KK·Filed 2006·Granted Jun 23, 2009·13 cites·18 claims
- 2184US2024150312A1Pyrazine compoundSUMITOMO CHEMICAL CO·Filed 2023·Application pending·0 cites
- 2282US7723624B2Electronic apparatusTOSHIBA KK·Filed 2008·Granted May 25, 2010·9 cites·14 claims
- 2382US5007710AMulti-layered surface reflecting mirrorHOYA CORP·Filed 1989·Granted Apr 16, 1991·49 cites·10 claims
- 2481US7223106B2Connector and electronic apparatus having the sameTOSHIBA KK·Filed 2005·Granted May 29, 2007·24 cites·16 claims
- 2581US6456499B1Electronic apparatus having insulator for fixing wiring substrateTOSHIBA KK·Filed 2001·Granted Sep 24, 2002·37 cites·21 claims
- 2681US5331506AElectronic apparatus wherein components are detachably arranged in a housing having a recess with a sliding and clamping coverTOSHIBA KK·Filed 1992·Granted Jul 19, 1994·77 cites·27 claims
- 2780US11573251B2Semiconductor sample inspection device and inspection methodHAMAMATSU PHOTONICS KK·Filed 2019·Granted Feb 7, 2023·2 cites·12 claims
- 2880US11149027B2Heterocyclic compoundSUMITOMO CHEMICAL CO·Filed 2017·Granted Oct 19, 2021·1 cites·17 claims
- 2980US10784844B2Fractional frequency divider and frequency synthesizerCANON KK·Filed 2020·Granted Sep 22, 2020·2 cites·20 claims
- 3080US10645929B2Pyrimidine compoundSUMITOMO CHEMICAL CO·Filed 2016·Granted May 12, 2020·1 cites·14 claims
- 3179US8199041B2Analog-to-digital converterNAKAJIMA YUJI·Filed 2010·Granted Jun 12, 2012·7 cites·17 claims
- 3279US8130131B2Interpolating A/D converterNAKAJIMA YUJI·Filed 2010·Granted Mar 6, 2012·7 cites·8 claims
- 3379US5993964AFibers and fibrous moldings using the sameCHISSO CORP·Filed 1998·Granted Nov 30, 1999·63 cites·10 claims
- 3479US4777920ASystem for controlling ignition timing in an internal combustion engine and method thereforNISSAN MOTOR·Filed 1987·Granted Oct 18, 1988·18 cites·13 claims
- 3578US10686965B2Multi-user scanning system with user authenticationSEIKO EPSON CORP·Filed 2017·Granted Jun 16, 2020·2 cites·12 claims
- 3678US5808861APortable apparatus with removable top cover covering functional componentTOSHIBA KK·Filed 1996·Granted Sep 15, 1998·67 cites·13 claims
- 3778US5748595ACartridge loading mechanism with a door closing assemblyRICOH KK·Filed 1996·Granted May 5, 1998·33 cites·4 claims
- 3878US4921331AMulti-layered mirrorHOYA CORP·Filed 1987·Granted May 1, 1990·33 cites·16 claims
- 3977US6207600B1Fibers and fibrous moldings made by using the sameCHISSO CORP·Filed 1997·Granted Mar 27, 2001·59 cites·20 claims
- 4077US5455746ACompact electronic apparatus and method of assembling the sameTOSHIBA KK·Filed 1993·Granted Oct 3, 1995·58 cites·14 claims
- 4176US4955705AMulti-layered back reflecting mirrorHOYA CORP·Filed 1989·Granted Sep 11, 1990·34 cites·12 claims
- 4275US10498724B2Digital community systemFUJITSU LTD·Filed 2016·Granted Dec 3, 2019·2 cites·17 claims
- 4375US7619882B2Electronic apparatusTOSHIBA KK·Filed 2007·Granted Nov 17, 2009·7 cites·13 claims
- 4475US6417704B1Power-on circuit and resetting methodNEC CORP·Filed 1999·Granted Jul 9, 2002·28 cites·8 claims
- 4574US11905271B2Pyrazine compoundSUMITOMO CHEMICAL CO·Filed 2021·Granted Feb 20, 2024·0 cites·1 claims
- 4674US6212067B1Portable information apparatus having a display unit comprising a housing and a display contained in the housingTOSHIBA KK·Filed 1997·Granted Apr 3, 2001·61 cites·12 claims
- 4774US6198626B1Portable apparatus removable top cover covering functional componentTOSHIBA KK·Filed 1998·Granted Mar 6, 2001·53 cites·1 claims
- 4874US2025240544A1Photoelectric conversion device, light emitting device, photoelectric conversion system, and moving bodyCANON KK·Filed 2025·Application pending·0 cites
- 4971US11001567B2Pyrazine compoundSUMITOMO CHEMICAL CO·Filed 2019·Granted May 11, 2021·0 cites·1 claims
- 5071US7685681B2Electronic apparatusTOSHIBA KK·Filed 2007·Granted Mar 30, 2010·5 cites·4 claims
Showing the top 50 of 171 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →