Inventor · disambiguated record
Tsutomu Nishida
Also filed as: NISHIDA TSUTOMU
59 granted patents·39 pending applications·894 citations·filing 1976–2025
99Inventor score
Files withCANON KK81OTSUKA PHARMA CO LTD4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2OKUDA ATSUSHI2SAMSUNG ELECTRONICS CO LTD2
Top patents by PatentIndex Score
98 records- 0199US11392050B2Process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted Jul 19, 2022·14 cites·8 claims
- 0299US11366402B2Process cartridge and electrophotographic apparatus using the sameCANON KK·Filed 2020·Granted Jun 21, 2022·18 cites·12 claims
- 0399US11256186B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted Feb 22, 2022·11 cites·8 claims
- 0498US11003102B2Electrophotographic image forming apparatus and process cartridgeCANON KK·Filed 2020·Granted May 11, 2021·13 cites·14 claims
- 0598US10558133B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2019·Granted Feb 11, 2020·29 cites·11 claims
- 0698US10558132B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2019·Granted Feb 11, 2020·35 cites·5 claims
- 0798US9869032B2Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hoursCANON KK·Filed 2016·Granted Jan 16, 2018·32 cites·2 claims
- 0898US9772596B2Image forming apparatus and electrophotographic photosensitive memberCANON KK·Filed 2015·Granted Sep 26, 2017·29 cites·8 claims
- 0998US9645516B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted May 9, 2017·36 cites·12 claims
- 1098US9563139B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Feb 7, 2017·36 cites·11 claims
- 1197US10831118B2Electrophotographic photosensitive member and method for producing electrophotographic photosensitive memberCANON KK·Filed 2019·Granted Nov 10, 2020·18 cites·7 claims
- 1297US10747131B2Electrophotographic photosensitive member and method for manufacturing the same as well as process cartridge and electrophotographic image-forming apparatusCANON KK·Filed 2019·Granted Aug 18, 2020·15 cites·7 claims
- 1397US10691033B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2019·Granted Jun 23, 2020·15 cites·9 claims
- 1497US10539892B2Electrophotographic photosensitive member, process cartridge, and electrophotographic image-forming apparatusCANON KK·Filed 2019·Granted Jan 21, 2020·18 cites·10 claims
- 1597US9645515B2Electrophotographic photosensitive member and manufacturing method thereof, process cartridge and electrophotographic apparatus, and phthalocyanine crystal and manufacturing method thereofCANON KK·Filed 2015·Granted May 9, 2017·31 cites·18 claims
- 1697US9541850B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Jan 10, 2017·19 cites·10 claims
- 1797US9459545B2Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and a solid solution and manufacturing method of a solid solutionCANON KK·Filed 2015·Granted Oct 4, 2016·22 cites·17 claims
- 1897US9436106B2Electrophotographic photosensitive member and manufacturing method therefor, process cartridge and electrophotographic apparatus including the electrophotographic photosensitive member, and phthalocyanine crystal and method producing thereforCANON KK·Filed 2015·Granted Sep 6, 2016·33 cites·13 claims
- 1997US9170506B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Oct 27, 2015·23 cites·10 claims
- 2097US9114565B2Process for forming uneven structure on surface of surface layer of cylindrical electrophotographic photosensitive member, and process for producing cylindrical electrophotographic photosensitive member having uneven structure formed on surface of surface layer of sameKAWAI YASUHIRO·Filed 2011·Granted Aug 25, 2015·35 cites·11 claims
- 2196US10838315B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2019·Granted Nov 17, 2020·13 cites·7 claims
- 2296US10747130B2Process cartridge and electrophotographic apparatusCANON KK·Filed 2019·Granted Aug 18, 2020·16 cites·16 claims
- 2396US10642177B2Process cartridge and image-forming apparatusCANON KK·Filed 2019·Granted May 5, 2020·14 cites·16 claims
- 2496US10416581B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2017·Granted Sep 17, 2019·17 cites·14 claims
- 2596US9170507B2Method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2014·Granted Oct 27, 2015·19 cites·13 claims
- 2696US8765335B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusTANAKA DAISUKE·Filed 2012·Granted Jul 1, 2014·22 cites·12 claims
- 2795US8846281B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusOKUDA ATSUSHI·Filed 2009·Granted Sep 30, 2014·26 cites·9 claims
- 2893US8632935B2Method for producing electrophotographic photosensitive memberSUGIYAMA KAZUMICHI·Filed 2012·Granted Jan 21, 2014·23 cites·13 claims
- 2990US5360716AHuman tumor necrosis factor αspecific monoclonal antibody and method for detecting human tumor necrosis factor αOTSUKA PHARMA CO LTD·Filed 1993·Granted Nov 1, 1994·136 cites·3 claims
- 3089US9709907B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Jul 18, 2017·4 cites·11 claims
- 3184US9720337B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the sameCANON KK·Filed 2015·Granted Aug 1, 2017·2 cites·9 claims
- 3282US9746790B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the sameCANON KK·Filed 2015·Granted Aug 29, 2017·2 cites·5 claims
- 3381US9040218B2Solution of gallium phthalocyanine method for preparing the same method for producing gallium phthalocyanine crystal method for purifying composition containing gallium phthalocyanine and method for producing electrophotographic photosensitive memberCANON KK·Filed 2014·Granted May 26, 2015·2 cites·4 claims
- 3481US4129437AIron ore pellet having a specific shape and a method of making the sameKOBE STEEL LTD·Filed 1976·Granted Dec 12, 1978·22 cites·9 claims
- 3578US9335643B2Process for processing surface of electrophotographic photosensitive member and process for producing electrophotographic photosensitive memberCANON KK·Filed 2013·Granted May 10, 2016·3 cites·7 claims
- 3677US2025291266A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3777US2025291308A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3876US9921499B2Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigmentCANON KK·Filed 2016·Granted Mar 20, 2018·1 cites·8 claims
- 3973US10401746B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2018·Granted Sep 3, 2019·1 cites·7 claims
- 4073US9519232B2Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and hydroxygallium phthalocyanine crystalCANON KK·Filed 2015·Granted Dec 13, 2016·1 cites·13 claims
- 4173US8785089B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusOKUDA ATSUSHI·Filed 2010·Granted Jul 22, 2014·2 cites·5 claims
- 4270US4998283AScreen deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 5, 1991·36 cites·2 claims
- 4369US2025244687A1Electrophotographic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4464US10012915B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the sameCANON KK·Filed 2017·Granted Jul 3, 2018·0 cites·6 claims
- 4564US4332891AProcess for the production of antibiotic Cephamycin COTSUKA PHARMA CO LTD·Filed 1980·Granted Jun 1, 1982·10 cites·3 claims
- 4662US2019121251A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2018·Application pending·0 cites
- 4761US10209637B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2017·Granted Feb 19, 2019·0 cites·7 claims
- 4861US9341965B2Electrophotographic photosensitive member, method for manufacturing the same, electrophotographic apparatus, process cartridge, and hydroxygallium phthalocyanine crystalCANON KK·Filed 2014·Granted May 17, 2016·0 cites·15 claims
- 4960US5723117AUse of interleukin-1 (IL-1) to inhibit development of hepatitisOTSUKA PHARMA CO LTD·Filed 1993·Granted Mar 3, 1998·20 cites·8 claims
- 5059US9298115B2Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2014·Granted Mar 29, 2016·0 cites·12 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →