Inventor · disambiguated record
Toshiyuki Yoshihara
Also filed as: YOSHIHARA TOSHIYUKI
36 granted patents·2 pending applications·500 citations·filing 1983–2012
98Inventor score
Top patents by PatentIndex Score
38 records- 0197US4792507AElectrophotographic member with surface layer having fluorine resin powder and fluorine graft polymerCANON KK·Filed 1987·Granted Dec 20, 1988·64 cites·20 claims
- 0296US5017449AElectrophotographic photosensitive member with substituted nylon interlayerCANON KK·Filed 1990·Granted May 21, 1991·70 cites·5 claims
- 0390US4863823AElectrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymerCANON KK·Filed 1988·Granted Sep 5, 1989·34 cites·16 claims
- 0485US4716091AElectrophotographic member with silicone graft copolymer in surface layerCANON KK·Filed 1986·Granted Dec 29, 1987·26 cites·12 claims
- 0583US7301615B2Optical apparatus, method of determining position of optical element in optical system, and device manufacturing methodCANON KK·Filed 2007·Granted Nov 27, 2007·14 cites·12 claims
- 0681US5771425AMechanically fastened cylindrical engaging member for use in an image forming apparatusCANON KK·Filed 1994·Granted Jun 23, 1998·26 cites·57 claims
- 0780US4851314AElectrophotographic photosensitive member with combined polycarbonate resinsCANON KK·Filed 1986·Granted Jul 25, 1989·22 cites·8 claims
- 0877US7230692B2Optical apparatus, method of determining position of optical element in optical system, and device manufacturing methodCANON KK·Filed 2005·Granted Jun 12, 2007·9 cites·12 claims
- 0977US4931841AElectrophotographic apparatus having abraded surface photosensitive memberCANON KK·Filed 1987·Granted Jun 5, 1990·20 cites·12 claims
- 1074US5418099AElectrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the sameCANON KK·Filed 1993·Granted May 23, 1995·22 cites·12 claims
- 1172US5068762AElectrophotographic charging deviceCANON KK·Filed 1989·Granted Nov 26, 1991·16 cites·14 claims
- 1271US9383660B2Exposure apparatus and method of manufacturing deviceYOSHIHARA TOSHIYUKI·Filed 2012·Granted Jul 5, 2016·3 cites·14 claims
- 1368US8102503B2Exposure apparatus and method of manufacturing deviceYOSHIHARA TOSHIYUKI·Filed 2008·Granted Jan 24, 2012·3 cites·18 claims
- 1467US5254423AElectrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive memberCANON KK·Filed 1992·Granted Oct 19, 1993·16 cites·27 claims
- 1566US4855202AElectrophotographic photosensitive memberCANON KK·Filed 1988·Granted Aug 8, 1989·13 cites·10 claims
- 1662US5610690AElectrophotographic apparatus and process cartridge featuring an electrophotographic photosensitive member having a surface layer of lubricative fluorine-containing resin powderCANON KK·Filed 1996·Granted Mar 11, 1997·15 cites·16 claims
- 1761US4974964AApparatus for preparing electrophotographic photosensitive membersCANON KK·Filed 1989·Granted Dec 4, 1990·12 cites·4 claims
- 1859US8634061B2Exposure apparatus and device manufacturing methodSHIGENOBU ATSUSHI·Filed 2010·Granted Jan 21, 2014·1 cites·11 claims
- 1958US5538826AElectrophotographic image forming method, apparatus and device unitCANON KK·Filed 1994·Granted Jul 23, 1996·11 cites·13 claims
- 2057US5576810AImage forming methodCANON KK·Filed 1995·Granted Nov 19, 1996·13 cites·50 claims
- 2156US5715501AImage forming method using a surface with a specified water contact angle and process cartridge using such a methodCANON KK·Filed 1997·Granted Feb 3, 1998·12 cites·33 claims
- 2255US6987621B2Aberration correction optical systemCANON KK·Filed 2004·Granted Jan 17, 2006·3 cites·2 claims
- 2354US5362588AElectrophotographic photosensitive member and apparatus including sameCANON KK·Filed 1992·Granted Nov 8, 1994·10 cites·12 claims
- 2452US5384625AImage forming methodCANON KK·Filed 1993·Granted Jan 24, 1995·9 cites·4 claims
- 2552US2006056038A1Aberration correcting optical systemCANON KK·Filed 2005·Application pending·0 cites
- 2651US2010124724A1Projection exposure apparatus, method for calibrating measurement criterion of displacement measurement unit, and method for manufacturing deviceCANON KK·Filed 2009·Application pending·0 cites
- 2746US5303032AMethod of measuring the time for forming refractive index grating of a photo-nonlinear mediumMITSUBISHI MATERIALS CORP·Filed 1992·Granted Apr 12, 1994·14 cites·5 claims
- 2845US5565289AElectrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the sameCANON KK·Filed 1995·Granted Oct 15, 1996·7 cites·21 claims
- 2945US4517271AElectrophotographic CdS photosensitive member with acrylic resin binderCANON KK·Filed 1984·Granted May 14, 1985·5 cites·6 claims
- 3039US6245473B1Electrophotographic apparatus with DC contact charging and photosensitive layer with polycarbonate resin in charge generation layerCANON KK·Filed 1996·Granted Jun 12, 2001·5 cites·3 claims
- 3139US5376485APhotosensitive member, electrophotographic apparatus and image forming method using sameCANON KK·Filed 1990·Granted Dec 27, 1994·4 cites·7 claims
- 3239US4932860AElectrophotographic photosensitive memberCANON KK·Filed 1988·Granted Jun 12, 1990·4 cites·10 claims
- 3337US5157442AImage forming apparatusCANON KK·Filed 1990·Granted Oct 20, 1992·4 cites·17 claims
- 3437US4533232AElectrophotographic processCANON KK·Filed 1983·Granted Aug 6, 1985·4 cites·47 claims
- 3536US4818654AElectrophotographic photosensitive member with combination of polymethyl methacrylate resinsCANON KK·Filed 1987·Granted Apr 4, 1989·3 cites·15 claims
- 3635US5558964AElectrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the sameCANON KK·Filed 1994·Granted Sep 24, 1996·3 cites·14 claims
- 3731US6924937B2Aberration correcting optical systemCANON KK·Filed 1999·Granted Aug 2, 2005·1 cites·13 claims
- 3828US4606949ACoating methodCANON KK·Filed 1984·Granted Aug 19, 1986·2 cites·7 claims
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