Inventor · disambiguated record
Katsuhisa Yamazaki
Also filed as: YAMAZAKI KATSUHISA
51 granted patents·11 pending applications·1,433 citations·filing 2000–2020
99Inventor score
Technology areasG03G
Top patents by PatentIndex Score
62 records- 0198US10295921B2TonerCANON KK·Filed 2017·Granted May 21, 2019·44 cites·11 claims
- 0298US10289016B2TonerCANON KK·Filed 2017·Granted May 14, 2019·44 cites·8 claims
- 0398US10101683B2Toner and external additive for tonerCANON KK·Filed 2015·Granted Oct 16, 2018·42 cites·8 claims
- 0498US9971263B2TonerCANON KK·Filed 2016·Granted May 15, 2018·46 cites·10 claims
- 0598US9829818B2TonerCANON KK·Filed 2015·Granted Nov 28, 2017·38 cites·2 claims
- 0698US9772570B2Magnetic tonerCANON KK·Filed 2015·Granted Sep 26, 2017·29 cites·9 claims
- 0798US9715188B2TonerCANON KK·Filed 2014·Granted Jul 25, 2017·32 cites·8 claims
- 0898US9606462B2Toner and method for manufacturing tonerCANON KK·Filed 2015·Granted Mar 28, 2017·58 cites·6 claims
- 0998US9588450B2Magnetic tonerCANON KK·Filed 2014·Granted Mar 7, 2017·37 cites·4 claims
- 1098US9575425B2TonerCANON KK·Filed 2014·Granted Feb 21, 2017·29 cites·8 claims
- 1198US9470993B2Magnetic tonerCANON KK·Filed 2015·Granted Oct 18, 2016·53 cites·5 claims
- 1298US9341970B2TonerCANON KK·Filed 2014·Granted May 17, 2016·42 cites·10 claims
- 1398US9261804B2TonerCANON KK·Filed 2014·Granted Feb 16, 2016·41 cites·6 claims
- 1498US9250548B2TonerCANON KK·Filed 2014·Granted Feb 2, 2016·39 cites·2 claims
- 1598US9201323B2TonerCANON KK·Filed 2014·Granted Dec 1, 2015·47 cites·2 claims
- 1698US9128400B2TonerTAKAHASHI TORU·Filed 2011·Granted Sep 8, 2015·41 cites·2 claims
- 1798US8501377B2Magnetic tonerTAKAHASHI TORU·Filed 2012·Granted Aug 6, 2013·31 cites·3 claims
- 1898US7855042B2Developer and image forming methodCANON KK·Filed 2007·Granted Dec 21, 2010·51 cites·6 claims
- 1998US7740998B2Positively chargeable developerCANON KK·Filed 2006·Granted Jun 22, 2010·37 cites·13 claims
- 2098US7537877B2Toner used in electrophotography having toner particles and silica powderCANON KK·Filed 2007·Granted May 26, 2009·70 cites·6 claims
- 2197US11112713B2TonerCANON KK·Filed 2020·Granted Sep 7, 2021·9 cites·7 claims
- 2297US10241430B2Toner, and external additive for tonerCANON KK·Filed 2018·Granted Mar 26, 2019·36 cites·4 claims
- 2397US9097998B2TonerYAMAZAKI KATSUHISA·Filed 2011·Granted Aug 4, 2015·41 cites·3 claims
- 2497US7544455B2Magnetic tonerCANON KK·Filed 2008·Granted Jun 9, 2009·32 cites·7 claims
- 2596US10942463B2TonerCANON KK·Filed 2019·Granted Mar 9, 2021·10 cites·10 claims
- 2696US10768540B2External additive, method for manufacturing external additive, and tonerCANON KK·Filed 2019·Granted Sep 8, 2020·13 cites·19 claims
- 2796US10747134B2External toner additive, method for producing external toner additive, and tonerCANON KK·Filed 2019·Granted Aug 18, 2020·13 cites·19 claims
- 2896US7700254B2Toner with specified amounts of the THF-soluble matter having certain intrinsic viscosityCANON KK·Filed 2008·Granted Apr 20, 2010·41 cites·7 claims
- 2995US7638251B2TonerCANON KK·Filed 2007·Granted Dec 29, 2009·22 cites·5 claims
- 3094US8512925B2Magnetic tonerMORIBE SHUHEI·Filed 2012·Granted Aug 20, 2013·31 cites·3 claims
- 3194US8057977B2TonerMORIBE SYUHEI·Filed 2008·Granted Nov 15, 2011·32 cites·3 claims
- 3294US7897316B2Toner having hybrid binder resin with polyester unit and vinyl copolymer unitCANON KK·Filed 2006·Granted Mar 1, 2011·19 cites·3 claims
- 3393US8026030B2TonerCANON KK·Filed 2006·Granted Sep 27, 2011·16 cites·2 claims
- 3493US6586151B1Toner, process for producing toner image forming method and apparatus unitCANON KK·Filed 2000·Granted Jul 1, 2003·44 cites·31 claims
- 3592US6875549B2Dry toner, toner production process, image forming method and process cartridgeCANON KK·Filed 2002·Granted Apr 5, 2005·41 cites·10 claims
- 3691US8293447B2TonerYAMAZAKI KATSUHISA·Filed 2011·Granted Oct 23, 2012·7 cites·1 claims
- 3790US6881527B2Toner, and process cartridgeCANON KK·Filed 2003·Granted Apr 19, 2005·36 cites·6 claims
- 3890US6703176B2Toner, process for producing toner image forming method and apparatus unitCANON KK·Filed 2002·Granted Mar 9, 2004·34 cites·39 claims
- 3984US7150953B2DeveloperCANON KK·Filed 2003·Granted Dec 19, 2006·22 cites·13 claims
- 4084US6458499B1Toner having hydrocarbon wax with specific ester value and hydroxyl valueCANON KK·Filed 2001·Granted Oct 1, 2002·23 cites·33 claims
- 4183US9575461B2Process cartridge and image forming method using toner having properties for high image qualityCANON KK·Filed 2015·Granted Feb 21, 2017·2 cites·10 claims
- 4280US6589701B2Dry toner, image forming method and process cartridgeCANON KK·Filed 2001·Granted Jul 8, 2003·20 cites·52 claims
- 4379US10162280B2TonerCANON KK·Filed 2014·Granted Dec 25, 2018·2 cites·6 claims
- 4478US10025212B2Toner and external additive for tonerCANON KK·Filed 2017·Granted Jul 17, 2018·1 cites·13 claims
- 4578US6426169B1Toner containing azo iron compoundCANON KK·Filed 2000·Granted Jul 30, 2002·17 cites·20 claims
- 4675US6537715B2Toner, image-forming method and process cartridgeCANON KK·Filed 2001·Granted Mar 25, 2003·16 cites·36 claims
- 4770US9500970B2TonerCANON KK·Filed 2014·Granted Nov 22, 2016·1 cites·10 claims
- 4857US8507170B2Image-forming method and image-forming apparatusTAKAHASHI TOORU·Filed 2009·Granted Aug 13, 2013·1 cites·6 claims
- 4955US2016139522A1TonerCANON KK·Filed 2015·Application pending·0 cites
- 5049US7241547B2Toner, method for forming image using the toner, and process cartridgeCANON KK·Filed 2006·Granted Jul 10, 2007·0 cites·6 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →