Inventor · disambiguated record
Nobuo Kosaka
Also filed as: KOSAKA NOBUO
14 granted patents·1 pending application·148 citations·filing 1992–2018
92Inventor score
Top patents by PatentIndex Score
15 records- 0197US9740117B2Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compoundCANON KK·Filed 2014·Granted Aug 22, 2017·21 cites·14 claims
- 0297US9389523B2Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive memberCANON KK·Filed 2014·Granted Jul 12, 2016·20 cites·8 claims
- 0397US9316931B2Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and condensed polycyclic aromatic compoundCANON KK·Filed 2014·Granted Apr 19, 2016·22 cites·4 claims
- 0496US7838190B2Electrophotographic photosensitive member with surface layer of fluororesin particles and polyolefin with perfluoroalkyl groupCANON KK·Filed 2009·Granted Nov 23, 2010·23 cites·6 claims
- 0596US7553594B2Electrophotographic photosensitive member, method of manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2008·Granted Jun 30, 2009·26 cites·10 claims
- 0689US7364824B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2006·Granted Apr 29, 2008·12 cites·16 claims
- 0762US2019121251A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2018·Application pending·0 cites
- 0861US10209637B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2017·Granted Feb 19, 2019·0 cites·7 claims
- 0957US5891902AIndole derivativesKYOWA HAKKO KOGYO KK·Filed 1996·Granted Apr 6, 1999·8 cites·16 claims
- 1049US5413997ATriphenylmethane derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted May 9, 1995·7 cites·15 claims
- 1147US5756735AXanthine derivativesKYOWA HAKKO KOGYO KK·Filed 1995·Granted May 26, 1998·3 cites·1 claims
- 1239US6306847B1Condensed purine derivativesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Oct 23, 2001·4 cites·7 claims
- 1335US5523464ABenzenesulfonamide derivativesKYOWA HAKKO KOGYO KK·Filed 1992·Granted Jun 4, 1996·1 cites·2 claims
- 1429US5374634APyridine derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted Dec 20, 1994·1 cites·7 claims
- 1519US5977298ACalcitonin derivativesKVOWA HAKKO KOGYO CO LTD·Filed 1997·Granted Nov 2, 1999·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →