Inventor · disambiguated record
Yoichi Ogawa
Also filed as: OGAWA YOICHI
16 granted patents·2 pending applications·365 citations·filing 1983–2009
94Inventor score
Top patents by PatentIndex Score
18 records- 0190US4609861ACircuit arrangement for rapidly charging a batteryHITACHI KOKI KK·Filed 1984·Granted Sep 2, 1986·86 cites·12 claims
- 0289US6044792APlasma CVD apparatusHITACHI MAXELL·Filed 1997·Granted Apr 4, 2000·50 cites·7 claims
- 0388US7396150B2Lighting apparatus and display apparatusHITACHI MAXELL·Filed 2006·Granted Jul 8, 2008·22 cites·12 claims
- 0487US7670031B2Lighting device and display apparatusHITACHI MAXELL·Filed 2007·Granted Mar 2, 2010·16 cites·10 claims
- 0582US5543221AMagnetic recording mediumHITACHI MAXELL·Filed 1993·Granted Aug 6, 1996·45 cites·12 claims
- 0674US6367411B2Plasma CVD apparatusHITACHI MAXELL·Filed 1999·Granted Apr 9, 2002·20 cites·3 claims
- 0770US5249169AApparatus for reproducing informationPIONEER ELECTRONIC CORP·Filed 1991·Granted Sep 28, 1993·22 cites·18 claims
- 0870US5139884AMagnetic recording medium comprising an aluminum substrate in which pores formed by anodic oxidation contain crystallographicaly discontinuous particles of fe-alloyHITACHI MAXELL·Filed 1989·Granted Aug 18, 1992·16 cites·6 claims
- 0966US4528492ABattery chargerHITACHI KOKI KK·Filed 1983·Granted Jul 9, 1985·31 cites·11 claims
- 1060US6310920B1Moving picture encoding apparatusNEC CORP·Filed 1998·Granted Oct 30, 2001·28 cites·8 claims
- 1155US7927520B2Method for lighting apparatus and display apparatusHITACHI MAXELL·Filed 2008·Granted Apr 19, 2011·1 cites·9 claims
- 1252US6312524B1Plasma CVD apparatusHITACHI MAXELL·Filed 1999·Granted Nov 6, 2001·11 cites·18 claims
- 1348US2009080196A1Lighting apparatus, lighting method, lighting system and surface information acquisition apparatusHITACHI MAXELL·Filed 2008·Application pending·0 cites
- 1446US8368839B2Optical adjusting member and illumination device and liquid crystal display device including the sameHITACHI MAXELL·Filed 2008·Granted Feb 5, 2013·0 cites·22 claims
- 1546US2011157521A1Liquid crystal displayHITACHI MAXELL·Filed 2009·Application pending·0 cites
- 1643US4922160AImpedance load driving circuitPIONEER ELECTRONIC CORP·Filed 1989·Granted May 1, 1990·7 cites·9 claims
- 1738US5854983ADigital cordless telephone systemNEC CORP·Filed 1996·Granted Dec 29, 1998·8 cites·6 claims
- 1829US5268894AApparatus for reproducing information by delaying and attenuating a reproducing signalPIONEER ELECTRONIC CORP·Filed 1993·Granted Dec 7, 1993·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →