Inventor · disambiguated record
Hiroyuki Fushimi
Also filed as: FUSHIMI HIROYUKI
39 granted patents·2 pending applications·1,242 citations·filing 1986–2016
98Inventor score
Top patents by PatentIndex Score
41 records- 0198US8474963B2Inkjet recording ink and image forming methodHASEGAWA SHIN·Filed 2009·Granted Jul 2, 2013·37 cites·9 claims
- 0298US6103441AColor toner for electrophotographyRICOH KK·Filed 1999·Granted Aug 15, 2000·148 cites·5 claims
- 0398US6074794AToner for dry developingRICOH KK·Filed 1998·Granted Jun 13, 2000·134 cites·15 claims
- 0497US4980258ADry type developer for electrophotographyRICOH KK·Filed 1989·Granted Dec 25, 1990·78 cites·13 claims
- 0597US4762763AToner for developing electrostatic latent imageRICOH KK·Filed 1986·Granted Aug 9, 1988·79 cites·18 claims
- 0695US6168894B1Image forming method and dry toner thereforRICOH KK·Filed 1996·Granted Jan 2, 2001·79 cites·40 claims
- 0794US4933250AMagenta color toner for developing latent electrostatic images in color electrophotographyRICOH KK·Filed 1988·Granted Jun 12, 1990·43 cites·15 claims
- 0893US6818370B2Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatusRICOH KK·Filed 2002·Granted Nov 16, 2004·43 cites·12 claims
- 0993US6004715AToner for developing electrostatic imagesRICOH KK·Filed 1996·Granted Dec 21, 1999·75 cites·15 claims
- 1092US6118964AMulti-functional contact-type charging unit and image transfer unitRICOH KK·Filed 1998·Granted Sep 12, 2000·56 cites·12 claims
- 1192US6014532AImage forming apparatusRICOH KK·Filed 1998·Granted Jan 11, 2000·59 cites·6 claims
- 1290US7738819B2Image forming method and apparatus, and developing device and process cartridge thereforRICOH KK·Filed 2006·Granted Jun 15, 2010·12 cites·32 claims
- 1390US4841331ATriboelectric charge application member for tonerRICOH KK·Filed 1988·Granted Jun 20, 1989·36 cites·11 claims
- 1489US5061588ADry type toner for electrophotographyRICOH KK·Filed 1989·Granted Oct 29, 1991·36 cites·17 claims
- 1588US8646891B2Inkjet recording ink, inkjet recording ink set, and ink cartridgeHASEGAWA SHIN·Filed 2013·Granted Feb 11, 2014·4 cites·7 claims
- 1688US6916587B2Toner, developer, and image forming method and apparatusRICOH KK·Filed 2002·Granted Jul 12, 2005·31 cites·83 claims
- 1787US8007976B2Electrostatic image developing toner, toner kit and image forming apparatusRICOH CO LTD·Filed 2006·Granted Aug 30, 2011·10 cites·22 claims
- 1886US8636351B2Inkjet ink, ink cartridge containing the inkjet ink, inkjet recording apparatus using the inkjet cartridge, and print formed by the inkjet inkHASEGAWA SHIN·Filed 2013·Granted Jan 28, 2014·3 cites·7 claims
- 1986US5851716AElectrophotographic image forming method and toner composition used thereforRICOH KK·Filed 1997·Granted Dec 22, 1998·38 cites·9 claims
- 2085US8770735B2Inkjet recording ink and ink cartridgeHAKIRI MINORU·Filed 2010·Granted Jul 8, 2014·4 cites·16 claims
- 2185US7300736B2Toner, and developer, image forming method, image forming apparatus and process cartridge using the tonerRICOH KK·Filed 2004·Granted Nov 27, 2007·21 cites·23 claims
- 2285US5975446APulverizing apparatusRICOH KK·Filed 1996·Granted Nov 2, 1999·38 cites·4 claims
- 2384US6733939B2Toner, developer and container for the developer, and method of and apparatus for forming an imageRICOH KK·Filed 2001·Granted May 11, 2004·52 cites·26 claims
- 2484US6125257AMethods and systems for cleaning residual toner from image developing deviceRICOH KK·Filed 1997·Granted Sep 26, 2000·35 cites·39 claims
- 2583US8247473B2Colorant dispersion of recording ink, and recording ink using the sameNARUSE MITSURU·Filed 2009·Granted Aug 21, 2012·5 cites·12 claims
- 2683US8197049B2Inkjet recording ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matterHAKIRI MINORU·Filed 2008·Granted Jun 12, 2012·5 cites·10 claims
- 2782US5418103AToner for developing latent electrostatic imagesRICOH KK·Filed 1992·Granted May 23, 1995·28 cites·11 claims
- 2881US7939235B2Image formation methodRICOH CO LTD·Filed 2008·Granted May 10, 2011·6 cites·3 claims
- 2980US4945022ATriboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomerRICOH KK·Filed 1989·Granted Jul 31, 1990·21 cites·22 claims
- 3079US9096770B2Inkjet recording ink set, ink cartridge, inkjet recording device, inkjet recording method, and image formed matterHASEGAWA SHIN·Filed 2012·Granted Aug 4, 2015·2 cites·20 claims
- 3175US8765839B2Inkjet ink set, inkjet recording device, and inkjet recording methodHASEGAWA SHIN·Filed 2013·Granted Jul 1, 2014·1 cites·10 claims
- 3274US8613511B2Pigment dispersion liquid, inkjet ink, ink cartridge, image forming apparatus, recording method , and image formed matterHAKIRI MINORU·Filed 2010·Granted Dec 24, 2013·2 cites·6 claims
- 3372US5648842AMethods and systems for cleaning residual toner from image-developing deviceRICOH KK·Filed 1996·Granted Jul 15, 1997·20 cites·39 claims
- 3470US10414932B2Ink, ink container, and inkjet recording deviceUMEMURA KAZUHIKO·Filed 2016·Granted Sep 17, 2019·1 cites·16 claims
- 3564US8529048B2Inkjet ink, ink cartridge, image forming device, image forming method, and image formed matterHAKIRI MINORU·Filed 2009·Granted Sep 10, 2013·0 cites·20 claims
- 3652US9045659B2Inkjet recording ink and inkjet recording device using the sameHASEGAWA SHIN·Filed 2011·Granted Jun 2, 2015·0 cites·16 claims
- 3749US9056995B2Inkjet recording ink set and ink cartridge, and recording device, image forming method, and image-formed article using such ink setHASEGAWA SHIN·Filed 2010·Granted Jun 16, 2015·0 cites·13 claims
- 3849US2007264035A1Toner, and developer, image forming method, image forming apparatus and process cartridge using the tonerFUSHIMI HIROYUKI·Filed 2007·Application pending·0 cites
- 3947US2012207984A1Inkjet ink, method for preparing same, ink cartridge containing same, image forming method and apparatus using same, and print formed by the image forming methodHASEGAWA SHIN·Filed 2012·Application pending·0 cites
- 4042US7935469B2Image forming method and toner for developing latent electrostatic imageRICOH CO LTD·Filed 2008·Granted May 3, 2011·0 cites·10 claims
- 4140US7638250B2Toner, developing device, image forming apparatus, and image forming method using the tonerRICOH KK·Filed 2007·Granted Dec 29, 2009·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Fushimi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →