Inventor · disambiguated record
Koji Nishikawa
Also filed as: NISHIKAWA KOJI
65 granted patents·12 pending applications·1,153 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
77 records- 0198US10303075B2TonerCANON KK·Filed 2018·Granted May 28, 2019·36 cites·9 claims
- 0298US10295921B2TonerCANON KK·Filed 2017·Granted May 21, 2019·44 cites·11 claims
- 0398US10295920B2TonerCANON KK·Filed 2018·Granted May 21, 2019·36 cites·11 claims
- 0498US10289016B2TonerCANON KK·Filed 2017·Granted May 14, 2019·44 cites·8 claims
- 0598US10101683B2Toner and external additive for tonerCANON KK·Filed 2015·Granted Oct 16, 2018·42 cites·8 claims
- 0698US9971263B2TonerCANON KK·Filed 2016·Granted May 15, 2018·46 cites·10 claims
- 0798US9829818B2TonerCANON KK·Filed 2015·Granted Nov 28, 2017·38 cites·2 claims
- 0898US9772570B2Magnetic tonerCANON KK·Filed 2015·Granted Sep 26, 2017·29 cites·9 claims
- 0998US9715188B2TonerCANON KK·Filed 2014·Granted Jul 25, 2017·32 cites·8 claims
- 1098US9606462B2Toner and method for manufacturing tonerCANON KK·Filed 2015·Granted Mar 28, 2017·58 cites·6 claims
- 1198US9588450B2Magnetic tonerCANON KK·Filed 2014·Granted Mar 7, 2017·37 cites·4 claims
- 1298US9575425B2TonerCANON KK·Filed 2014·Granted Feb 21, 2017·29 cites·8 claims
- 1398US9470993B2Magnetic tonerCANON KK·Filed 2015·Granted Oct 18, 2016·53 cites·5 claims
- 1498US9341970B2TonerCANON KK·Filed 2014·Granted May 17, 2016·42 cites·10 claims
- 1598US9261804B2TonerCANON KK·Filed 2014·Granted Feb 16, 2016·41 cites·6 claims
- 1698US9250548B2TonerCANON KK·Filed 2014·Granted Feb 2, 2016·39 cites·2 claims
- 1798US9201323B2TonerCANON KK·Filed 2014·Granted Dec 1, 2015·47 cites·2 claims
- 1898US7582401B2Toner with hybrid binder resinCANON KK·Filed 2006·Granted Sep 1, 2009·69 cites·7 claims
- 1997US9684277B2Process cartridge and image-forming methodCANON KK·Filed 2015·Granted Jun 20, 2017·19 cites·20 claims
- 2096US10942463B2TonerCANON KK·Filed 2019·Granted Mar 9, 2021·10 cites·10 claims
- 2196US10845722B2Toner and method for producing tonerCANON KK·Filed 2019·Granted Nov 24, 2020·12 cites·10 claims
- 2295US11092905B2TonerCANON KK·Filed 2019·Granted Aug 17, 2021·8 cites·10 claims
- 2395US11003103B2TonerCANON KK·Filed 2019·Granted May 11, 2021·9 cites·7 claims
- 2495US7745089B2Process for producing toner, and tonerCANON KK·Filed 2007·Granted Jun 29, 2010·18 cites·5 claims
- 2594US4156532ASealing device for an automobile disk brakeTOYOTA MOTOR CO LTD·Filed 1976·Granted May 29, 1979·45 cites·6 claims
- 2693US10488777B2TonerCANON KK·Filed 2018·Granted Nov 26, 2019·7 cites·8 claims
- 2793US7273686B2TonerCANON KK·Filed 2004·Granted Sep 25, 2007·49 cites·5 claims
- 2892US7288354B2TonerCANON KK·Filed 2004·Granted Oct 30, 2007·42 cites·12 claims
- 2991US10983451B2TonerCANON KK·Filed 2019·Granted Apr 20, 2021·4 cites·15 claims
- 3091US10983450B2TonerCANON KK·Filed 2019·Granted Apr 20, 2021·4 cites·5 claims
- 3190US7351509B2TonerCANON KK·Filed 2004·Granted Apr 1, 2008·34 cites·7 claims
- 3289US11809132B2TonerCANON KK·Filed 2021·Granted Nov 7, 2023·2 cites·6 claims
- 3385US11592757B2Electrophotographic developer set including toner and powder adhesive, and method for producing bonded productCANON KK·Filed 2021·Granted Feb 28, 2023·1 cites·14 claims
- 3484US10996577B2TonerCANON KK·Filed 2019·Granted May 4, 2021·2 cites·10 claims
- 3583US9575461B2Process cartridge and image forming method using toner having properties for high image qualityCANON KK·Filed 2015·Granted Feb 21, 2017·2 cites·10 claims
- 3682US6902790B1Ceramic sheet and process for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Jun 7, 2005·27 cites·7 claims
- 3782US6871688B2Apparatus and method for manufacturing die-cast productDENSO CORP·Filed 2003·Granted Mar 29, 2005·13 cites·7 claims
- 3878US10025212B2Toner and external additive for tonerCANON KK·Filed 2017·Granted Jul 17, 2018·1 cites·13 claims
- 3977US5492957AFace coat composition for casting mold and method for the preparation of casting mold having face coat layerSHINETSU CHEMICAL CO·Filed 1993·Granted Feb 20, 1996·20 cites·10 claims
- 4074US7306889B2Process for producing toner, and tonerCANON KK·Filed 2004·Granted Dec 11, 2007·11 cites·5 claims
- 4169US12187921B2Powder adhesive and bonded articleCANON KK·Filed 2021·Granted Jan 7, 2025·0 cites·14 claims
- 4266US7406018B2Signal generating circuit and optical pickup device provided therewithROHM CO LTD·Filed 2005·Granted Jul 29, 2008·2 cites·3 claims
- 4366US6742566B2Die casting machine and die casting methodDENSO CORP·Filed 2002·Granted Jun 1, 2004·4 cites·14 claims
- 4466US6682243B2Bar-like paint delivering containerKANEBO LTD·Filed 2001·Granted Jan 27, 2004·10 cites·20 claims
- 4565US2024294436A1Ceramic structure and method for manufacturing sameCANON KK·Filed 2024·Application pending·0 cites
- 4664US6615902B1Die casting machine and die casting methodDENSO CORP·Filed 2000·Granted Sep 9, 2003·4 cites·10 claims
- 4763US12130585B2Electrophotographic developer set comprising toner and powder adhesive, method for producing bonded product, and powder adhesiveCANON KK·Filed 2021·Granted Oct 29, 2024·0 cites·12 claims
- 4862US12181835B2Electrophotographic developer set comprising toner and powder adhesive, and method for producing bonded productCANON KK·Filed 2021·Granted Dec 31, 2024·0 cites·13 claims
- 4962US10747135B2TonerCANON KK·Filed 2019·Granted Aug 18, 2020·0 cites·6 claims
- 5062US7457572B2Image forming method and process cartridge using specific toner regulating blade and tonerCANON KK·Filed 2006·Granted Nov 25, 2008·2 cites·7 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →