Inventor · disambiguated record
Akihiro Toma
Also filed as: TOMA AKIHIRO
12 granted patents·1 pending application·463 citations·filing 1991–2009
94Inventor score
Files withCANON KK12
Top patents by PatentIndex Score
13 records- 0198US7092655B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Aug 15, 2006·51 cites·31 claims
- 0298US6999696B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Feb 14, 2006·52 cites·40 claims
- 0398US6400914B1Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jun 4, 2002·196 cites·85 claims
- 0497US7489885B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Feb 10, 2009·16 cites·26 claims
- 0596US7630661B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Dec 8, 2009·12 cites·20 claims
- 0695US7231161B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Jun 12, 2007·12 cites·6 claims
- 0794US7660545B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Feb 9, 2010·9 cites·17 claims
- 0887US7920806B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2009·Granted Apr 5, 2011·4 cites·16 claims
- 0984US6089567AImage forming apparatusCANON KK·Filed 1998·Granted Jul 18, 2000·47 cites·16 claims
- 1081US6055407ASheet feeding device and image forming apparatus having the sheet feeding deviceCANON KK·Filed 1999·Granted Apr 25, 2000·30 cites·24 claims
- 1171US5348284ASheet supply apparatusCANON KK·Filed 1993·Granted Sep 20, 1994·20 cites·16 claims
- 1262US5158276ASheet feeding apparatusCANON KK·Filed 1991·Granted Oct 27, 1992·14 cites·18 claims
- 1339US2002018666A1Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →