Inventor · disambiguated record
Hiroshi Igarashi
Also filed as: IGARASHI HIROSHI
169 granted patents·33 pending applications·2,822 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
202 records- 0199US11480889B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2021·Granted Oct 25, 2022·4 cites·15 claims
- 0299US11150573B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2020·Granted Oct 19, 2021·6 cites·18 claims
- 0399US10133207B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2017·Granted Nov 20, 2018·16 cites·10 claims
- 0499US9733589B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Aug 15, 2017·19 cites·11 claims
- 0599US9395681B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Jul 19, 2016·20 cites·22 claims
- 0699US9261857B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2015·Granted Feb 16, 2016·22 cites·13 claims
- 0799US7817938B2Developer cartridge and image forming apparatus with shaft misalignment accomodationBROTHER IND LTD·Filed 2006·Granted Oct 19, 2010·76 cites·14 claims
- 0899US7778567B2Image forming apparatus and image forming unitBROTHER IND LTD·Filed 2005·Granted Aug 17, 2010·53 cites·25 claims
- 0999US7574148B2Image forming apparatus, developer cartridge, and detecting unit for detecting a state of the developer cartridgeBROTHER IND LTD·Filed 2006·Granted Aug 11, 2009·52 cites·15 claims
- 1098US10444659B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2018·Granted Oct 15, 2019·13 cites·13 claims
- 1198US7623809B2Image forming apparatus having belt unitBROTHER IND LTD·Filed 2006·Granted Nov 24, 2009·36 cites·20 claims
- 1298USD505424SController for electronic game machineNINTENDO CO LTD·Filed 2004·Granted May 24, 2005·119 cites·1 claims
- 1397US12032306B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2022·Granted Jul 9, 2024·2 cites·15 claims
- 1497US10775713B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2019·Granted Sep 15, 2020·9 cites·17 claims
- 1597US8744311B2Image forming apparatus having drum supporting memberSATO SHOUGO·Filed 2012·Granted Jun 3, 2014·14 cites·45 claims
- 1697US5704837AVideo game steering system causing translation, rotation and curvilinear motion on the objectNAMCO LTD·Filed 1994·Granted Jan 6, 1998·674 cites·16 claims
- 1795US9188949B2Image forming apparatus and developer cartridgeSATO SHOUGO·Filed 2012·Granted Nov 17, 2015·8 cites·19 claims
- 1894US8014696B2Image forming deviceBROTHER IND LTD·Filed 2010·Granted Sep 6, 2011·8 cites·22 claims
- 1994US7862030B2Recording medium conveying device, image forming apparatus and cartridgeBROTHER IND LTD·Filed 2009·Granted Jan 4, 2011·15 cites·8 claims
- 2094US7778569B2Image forming apparatusBROTHER IND LTD·Filed 2007·Granted Aug 17, 2010·15 cites·18 claims
- 2194US7496317B2Image-forming device facilitating resolution of paper jamBROTHER IND LTD·Filed 2006·Granted Feb 24, 2009·16 cites·20 claims
- 2294US7454158B2Image forming apparatus with accommodation spacesBROTHER IND LTD·Filed 2006·Granted Nov 18, 2008·18 cites·27 claims
- 2393US8886083B2Image forming apparatus provided with developing unit detachably mountable thereinIGARASHI HIROSHI·Filed 2013·Granted Nov 11, 2014·7 cites·19 claims
- 2493US8439753B2Operating apparatus for game machineWAKITANI NOBORU·Filed 2008·Granted May 14, 2013·28 cites·16 claims
- 2593US7493062B2Image-forming device having switchback conveying pathBROTHER IND LTD·Filed 2006·Granted Feb 17, 2009·15 cites·12 claims
- 2692US8186927B2Contained object transfer systemOKABE TSUTOMU·Filed 2009·Granted May 29, 2012·20 cites·6 claims
- 2792US8041255B2Image forming apparatusBROTHER IND LTD·Filed 2010·Granted Oct 18, 2011·6 cites·20 claims
- 2892US7907868B2Image-forming device and process cartridge configured to be installed in and removed therefromBROTHER IND LTD·Filed 2006·Granted Mar 15, 2011·9 cites·22 claims
- 2992US7877037B2Image forming device having duct for blowing air on chargerBROTHER IND LTD·Filed 2006·Granted Jan 25, 2011·12 cites·19 claims
- 3092US7620344B2Image forming apparatus, drawable cartridge, and recording medium accommodating cartridgeBROTHER IND LTD·Filed 2005·Granted Nov 17, 2009·12 cites·18 claims
- 3192US7523769B2Enclosed container lid opening/closing system and enclosed container lid opening/closing methodTDK CORP·Filed 2005·Granted Apr 28, 2009·22 cites·6 claims
- 3292US7356283B2Tandem type image-forming apparatusBROTHER IND LTD·Filed 2006·Granted Apr 8, 2008·13 cites·18 claims
- 3392US6796708B2Wrist mounting-type portable electronic apparatus having bangle-type strapSEIKO INSTR INC·Filed 2003·Granted Sep 28, 2004·43 cites·20 claims
- 3491US6195513B1Electronic camera accessory and image composition systemFUJI PHOTO FILM CO LTD·Filed 1998·Granted Feb 27, 2001·163 cites·56 claims
- 3590US12449743B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2024·Granted Oct 21, 2025·0 cites·15 claims
- 3690US8837981B2Image forming apparatus and image forming unitIGARASHI HIROSHI·Filed 2013·Granted Sep 16, 2014·3 cites·16 claims
- 3789US9824907B2Gas purge apparatus, load port apparatus, and gas purge methodTDK CORP·Filed 2016·Granted Nov 21, 2017·11 cites·11 claims
- 3889US8768207B2Image-forming device having a removable drawer and a stopperIGARASHI HIROSHI·Filed 2012·Granted Jul 1, 2014·3 cites·15 claims
- 3989US7704001B2Image forming apparatusBROTHER IND LTD·Filed 2006·Granted Apr 27, 2010·10 cites·10 claims
- 4089US7586508B2Image-forming device with scanner unitBROTHER IND LTD·Filed 2005·Granted Sep 8, 2009·9 cites·39 claims
- 4188US8971772B2Developer transport member and developing apparatusSENDA SEIICHI·Filed 2013·Granted Mar 3, 2015·5 cites·9 claims
- 4288US7555238B2Image-forming device and angularly shifted belt unitBROTHER IND LTD·Filed 2005·Granted Jun 30, 2009·8 cites·23 claims
- 4387US9335728B2Image forming apparatus having developer cartridges and cartridge supporting memberBROTHER IND LTD·Filed 2015·Granted May 10, 2016·2 cites·14 claims
- 4487US8893753B2Substrate storage pod and lid member thereof, and processing apparatus for a substrateOKABE TSUTOMU·Filed 2011·Granted Nov 25, 2014·8 cites·12 claims
- 4587US5592268AMechanism to prevent toner leakage from an image forming unitBROTHER IND LTD·Filed 1995·Granted Jan 7, 1997·44 cites·18 claims
- 4686US10256475B2Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly, and fuel cell stackN E CHEMCAT CORP·Filed 2017·Granted Apr 9, 2019·2 cites·20 claims
- 4786US7654291B2Purging apparatus and purging methodTDK CORP·Filed 2004·Granted Feb 2, 2010·35 cites·15 claims
- 4886US7391988B2Image forming apparatus and belt deviceBROTHER IND LTD·Filed 2005·Granted Jun 24, 2008·9 cites·12 claims
- 4986US6196672B1Hot-melt type ink jet printer having heating and cooling arrangementBROTHER IND LTD·Filed 1998·Granted Mar 6, 2001·58 cites·24 claims
- 5086US5304701AMelting furnace for treating wastes and a heating method of the sameDORYOKURO KAKUNENRYO·Filed 1989·Granted Apr 19, 1994·33 cites·6 claims
Showing the top 50 of 202 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →