Inventor · disambiguated record
Kohichi Ohshima
Also filed as: OHSHIMA KOHICHI
16 granted patents·3 pending applications·239 citations·filing 1985–2009
93Inventor score
Top patents by PatentIndex Score
19 records- 0197US7251437B2Image formation apparatus having a body to be charged with specified properties and including the use of a protective materialRICOH KK·Filed 2005·Granted Jul 31, 2007·44 cites·24 claims
- 0296US7383013B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2007·Granted Jun 3, 2008·18 cites·5 claims
- 0395US7103301B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2004·Granted Sep 5, 2006·47 cites·10 claims
- 0494US5008172AElectrophotographic photoconductorRICOH KK·Filed 1989·Granted Apr 16, 1991·52 cites·14 claims
- 0588US7251438B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2006·Granted Jul 31, 2007·8 cites·6 claims
- 0677US7862969B2Image bearing member and image forming method using thereof, and image forming apparatus and process cartridgeRICOH CO LTD·Filed 2007·Granted Jan 4, 2011·5 cites·8 claims
- 0768US4687723AElectrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitrideRICOH KK·Filed 1985·Granted Aug 18, 1987·16 cites·17 claims
- 0867US7295788B2Image forming apparatus and process cartridgeRICOH KK·Filed 2005·Granted Nov 13, 2007·3 cites·10 claims
- 0963US8420284B2Electrophotographic photoreceptor, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptorOHSHIMA KOHICHI·Filed 2009·Granted Apr 16, 2013·3 cites·7 claims
- 1062US7550238B2Process cartridge, image forming apparatus, and image forming processRICOH KK·Filed 2005·Granted Jun 23, 2009·2 cites·12 claims
- 1161US6050183AHeat-sensitive stencil, process of fabricating same and method of producing printing master using sameRICOH KK·Filed 1998·Granted Apr 18, 2000·17 cites·6 claims
- 1260US8543037B2Image forming apparatusEGAWA KAZUHIRO·Filed 2009·Granted Sep 24, 2013·2 cites·7 claims
- 1355US7517625B2Image forming apparatus and process cartridgeRICOH KK·Filed 2005·Granted Apr 14, 2009·1 cites·8 claims
- 1452US6092461AHeat-sensitive stencil, process of fabricating same and method of producing printing master using sameRICOH KK·Filed 1999·Granted Jul 25, 2000·12 cites·2 claims
- 1547US4908292AMethod of making an electrophotographic inorganic photosensitive element using ultraviolet radiationRICOH KK·Filed 1988·Granted Mar 13, 1990·9 cites·13 claims
- 1639US7662533B2Image forming method, and image forming apparatus and process cartridge using the image forming methodRICOH KK·Filed 2005·Granted Feb 16, 2010·0 cites·22 claims
- 1731US2006068308A1Image forming process, image forming apparatus, and process cartridgeOHSHIMA KOHICHI·Filed 2005·Application pending·0 cites
- 1831US2006093955A1Image forming method, and image forming apparatus and process cartridge using the image forming methodOHSHIMA KOHICHI·Filed 2005·Application pending·0 cites
- 1930US2006014096A1Image forming method, image forming apparatus and process cartridge thereforOHSHIMA KOHICHI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →