Inventor · disambiguated record
Koichi Sugihara
Also filed as: DOBASHI AKIHITO · SUGIHARA KOICHI
17 granted patents·6 pending applications·222 citations·filing 1987–2020
93Inventor score
Top patents by PatentIndex Score
23 records- 0189US4971180AShock absorberTOYOTA MOTOR CO LTD·Filed 1988·Granted Nov 20, 1990·51 cites·15 claims
- 0283US8362140B2Pigment-dispersed composition, colored photosensitive composition, photocurable composition, color filter, liquid crystal display device, and solid-state image pickup deviceFUJIFILM CORP·Filed 2009·Granted Jan 29, 2013·6 cites·9 claims
- 0383US5679099AApparatus for controlling slip amount of motor vehicle clutch during vehicle startingTOYOTA MOTOR CO LTD·Filed 1995·Granted Oct 21, 1997·76 cites·11 claims
- 0477US7241625B2Carbonyl compound scavenger and method of quantifying carbonyl compound using the sameSUMIKA CHEM ANALYSIS SERVICES·Filed 2005·Granted Jul 10, 2007·7 cites·7 claims
- 0576US5296906AElectrophotographic apparatus capable of selectively using cut sheet and continuous paper and method thereforTORAY INDUSTRIES·Filed 1992·Granted Mar 22, 1994·26 cites·27 claims
- 0671US8343709B2Processed pigment, pigment-dispersed composition, colored photosensitive composition, color filter, liquid crystal display element, and solid image pickup elementFUJIFILM CORP·Filed 2008·Granted Jan 1, 2013·2 cites·15 claims
- 0762US8273167B2Pigment dispersion composition, curable color composition, color filter and method for producing the sameSUGIHARA KOICHI·Filed 2008·Granted Sep 25, 2012·1 cites·8 claims
- 0859US6392293B2Semiconductor package with sloped outer leadsTOSHIBA KK·Filed 1999·Granted May 21, 2002·25 cites·5 claims
- 0954US11105303B2EGR valveAISAN IND·Filed 2020·Granted Aug 31, 2021·0 cites·9 claims
- 1053US11913412B2EGR valve and EGR valve device provided with sameAISAN IND·Filed 2020·Granted Feb 27, 2024·0 cites·16 claims
- 1144US2022389890A1Egr valve deviceAISAN IND·Filed 2020·Application pending·0 cites
- 1243USRE36112EElectrophotographic apparatus capable of selectively using cut sheet and continuous paper and method thereforTORAY INDUSTRIES·Filed 1996·Granted Feb 23, 1999·8 cites·28 claims
- 1342US12135093B2Valve deviceAISAN IND·Filed 2020·Granted Nov 5, 2024·0 cites·11 claims
- 1442US4765428APower-assisted steering systemTOYOTA MOTOR CO LTD·Filed 1987·Granted Aug 23, 1988·9 cites·8 claims
- 1541US4858713APower-assisted steering systemTOYOTA MOTOR CO LTD·Filed 1988·Granted Aug 22, 1989·8 cites·5 claims
- 1641US2022372938A1Egr valve deviceAISAN IND·Filed 2020·Application pending·0 cites
- 1741US2023193861A1Egr valve systemAISAN IND·Filed 2020·Application pending·0 cites
- 1841US2010222450A1Pigment-dispersion composition and colored photosensitive compositionSUGIHARA KOICHI·Filed 2007·Application pending·0 cites
- 1940US2009040400A1Liquid crystal display device and liquid crystal projectorFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 2036US8618657B2Semiconductor device with multilayer wiring structure formed within and method of manufacturing the sameHIGAKI KIICHIRO·Filed 2009·Granted Dec 31, 2013·0 cites·5 claims
- 2134US8629001B2Semiconductor device and method of manufacturing semiconductor deviceSUGIHARA KOICHI·Filed 2010·Granted Jan 14, 2014·0 cites·7 claims
- 2232US4860842ASteering system in wheeled vehicleTOYOTA MOTOR CO LTD·Filed 1988·Granted Aug 29, 1989·3 cites·4 claims
- 2330US2004248313A1Process for production of collection columns for carbonyl compoundsFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koichi Sugihara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →