Inventor · disambiguated record
Toshiharu Kawai
Also filed as: KAWAI TOSHIHARU
32 granted patents·1 pending application·2,279 citations·filing 1996–2021
98Inventor score
Top patents by PatentIndex Score
33 records- 0199US8862022B2Image forming apparatus and cartridgeCANON KK·Filed 2012·Granted Oct 14, 2014·32 cites·26 claims
- 0299US6501927B1Process cartridge and photosensitive drum driving mountCANON KK·Filed 2000·Granted Dec 31, 2002·124 cites·23 claims
- 0399US6501926B1Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted Dec 31, 2002·186 cites·23 claims
- 0499US6349188B1Process cartridge, electrophotographic image forming apparatus, driving force transmission part and electrophotographic photosensitive drumCANON KK·Filed 2000·Granted Feb 19, 2002·126 cites·10 claims
- 0599US6240266B1Process cartridge and drum mount for photosensitive drumCANON KK·Filed 1997·Granted May 29, 2001·245 cites·91 claims
- 0699US6226478B1Process cartridge having drive mount for photosensitive drumCANON KK·Filed 1997·Granted May 1, 2001·175 cites·83 claims
- 0799US6128454AProcess cartridge, electrophotographic image forming apparatus, driving force transmission part, and electrophotographic photosensitive drumCANON KK·Filed 1999·Granted Oct 3, 2000·185 cites·62 claims
- 0899US5903803AProcess cartridge, electrophotographic image forming apparatus, driving force transmission part, and electrophotographic photosensitive drumCANON KK·Filed 1996·Granted May 11, 1999·356 cites·146 claims
- 0998US9037036B2Opening and closing mechanism and image-forming apparatusCANON KK·Filed 2013·Granted May 19, 2015·26 cites·18 claims
- 1098US7274896B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Sep 25, 2007·34 cites·9 claims
- 1198US6885838B2Electrophotographic photosensitive drum having twisted projection coupling member engageable with twisted hole driving coupling of motor, and process cartridge and electrophotographic image forming apparatus using sameCANON KK·Filed 2003·Granted Apr 26, 2005·62 cites·23 claims
- 1298US6336018B1Electrophotographic image forming apparatus, process cartridge, and drive mount for photosensitive drumCANON KK·Filed 1997·Granted Jan 1, 2002·189 cites·79 claims
- 1398US6175706B1Process cartridge, electrophotographic image forming apparatus driving force transmission part and electrophotographic photosensitive drumCANON KK·Filed 1997·Granted Jan 16, 2001·181 cites·69 claims
- 1498US6163665AProcess cartridge electrophotographic image forming apparatus and positioning there betweenCANON KK·Filed 1997·Granted Dec 19, 2000·138 cites·72 claims
- 1598US6011948AObliquely traveling sheet correcting device and image forming apparatusCANON KK·Filed 1996·Granted Jan 4, 2000·111 cites·48 claims
- 1697US7248814B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Jul 24, 2007·19 cites·10 claims
- 1796US9134695B2Image forming apparatus with movable cartridge pressing memberCANON KK·Filed 2013·Granted Sep 15, 2015·20 cites·17 claims
- 1894US7130560B2Image forming apparatusCANON KK·Filed 2005·Granted Oct 31, 2006·38 cites·9 claims
- 1992US9494915B2Image forming apparatus and cartridgeCANON KK·Filed 2015·Granted Nov 15, 2016·4 cites·20 claims
- 2090US8725042B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusWATANABE KAZUSHI·Filed 2011·Granted May 13, 2014·5 cites·109 claims
- 2189US9996051B2Image forming apparatus and cartridgeCANON KK·Filed 2016·Granted Jun 12, 2018·2 cites·4 claims
- 2288US10345751B2Image forming apparatusCANON KK·Filed 2018·Granted Jul 9, 2019·3 cites·14 claims
- 2387US8204404B2Image forming apparatusKAWAI TOSHIHARU·Filed 2009·Granted Jun 19, 2012·8 cites·9 claims
- 2485US10520886B2Image forming apparatus and cartridgeCANON KK·Filed 2018·Granted Dec 31, 2019·1 cites·10 claims
- 2585US10054898B2Image forming apparatusCANON KK·Filed 2015·Granted Aug 21, 2018·2 cites·18 claims
- 2683US8428490B2Color electrophotographic image forming apparatusKAWAI TOSHIHARU·Filed 2010·Granted Apr 23, 2013·4 cites·12 claims
- 2780US11425361B2Image display deviceCANON KK·Filed 2021·Granted Aug 23, 2022·1 cites·7 claims
- 2870US9046860B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2014·Granted Jun 2, 2015·0 cites·6 claims
- 2964US2015010325A1Image forming apparatus and cartridgeCANON KK·Filed 2014·Application pending·0 cites
- 3062US8270892B2Unit for cleaning end portion of recording material and image forming apparatus including the unitKAWAI TOSHIHARU·Filed 2008·Granted Sep 18, 2012·2 cites·8 claims
- 3156US8798497B2Image forming apparatusKAWAI TOSHIHARU·Filed 2012·Granted Aug 5, 2014·0 cites·16 claims
- 3251US10477730B2Head-mounted display and gripping apparatusCANON KK·Filed 2017·Granted Nov 12, 2019·0 cites·10 claims
- 3336US11074112B2Maintaining the responsiveness of a user interface while performing a synchronous operationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jul 27, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →