Inventor · disambiguated record
Yoshimasu Yamaguchi
Also filed as: YAMAGUCHI YOSHIMASU
23 granted patents·5 pending applications·299 citations·filing 1994–2020
95Inventor score
Top patents by PatentIndex Score
28 records- 0190US9841730B2Filter frame and filter assemblyCANON KK·Filed 2016·Granted Dec 12, 2017·5 cites·10 claims
- 0290US5735659ABinding apparatus with spine cover printing apparatusCANON KK·Filed 1995·Granted Apr 7, 1998·74 cites·18 claims
- 0387US5569011ABook Binding apparatusCANON KK·Filed 1994·Granted Oct 29, 1996·35 cites·34 claims
- 0487US5540421ABook binding apparatusCANON KK·Filed 1994·Granted Jul 30, 1996·26 cites·14 claims
- 0585US5569012ABook binding apparatusCANON KK·Filed 1994·Granted Oct 29, 1996·40 cites·9 claims
- 0683US5828929AImage forming system and process cartridge having particular arrangement of electrical contactsCANON KK·Filed 1997·Granted Oct 27, 1998·34 cites·88 claims
- 0782US10047784B2Insert nut, fastening unit including the insert nut, and process cartridge using the fastening unitCANON KK·Filed 2015·Granted Aug 14, 2018·4 cites·13 claims
- 0882US5833423ABind tape used with bookbinding apparatusCANON KK·Filed 1996·Granted Nov 10, 1998·49 cites·10 claims
- 0979US9740165B2Dust collecting filterCANON KK·Filed 2015·Granted Aug 22, 2017·2 cites·11 claims
- 1079US9599171B2One-way clutch and sheet feeding rollerCANON KK·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
- 1178US8249484B2Image forming apparatus having mechanisms for holding and moving a rear portion for easy maintenanceYAMAGUCHI YOSHIMASU·Filed 2010·Granted Aug 21, 2012·3 cites·12 claims
- 1276US8807562B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2013·Granted Aug 19, 2014·3 cites·17 claims
- 1375US10456725B2Filter frame for an image forming apparatusCANON KK·Filed 2017·Granted Oct 29, 2019·1 cites·2 claims
- 1475US7609996B2Image forming apparatus having a locking member locking an image forming unit attached theretoCANON KK·Filed 2007·Granted Oct 27, 2009·4 cites·13 claims
- 1575US7422372B2Bearing and developing apparatusCANON KK·Filed 2006·Granted Sep 9, 2008·5 cites·14 claims
- 1668US9573089B2Filter frameCANON KK·Filed 2014·Granted Feb 21, 2017·1 cites·9 claims
- 1759US5720479ASheet sorting and containing apparatusCANON KK·Filed 1997·Granted Feb 24, 1998·10 cites·20 claims
- 1857US8052589B2Sheet conveying roller, sheet conveying apparatus, and image forming apparatusCANON KK·Filed 2007·Granted Nov 8, 2011·1 cites·7 claims
- 1956US2018313390A1Insert nut, fastening unit including the insert nut, and process cartridge using the fastening unitCANON KK·Filed 2018·Application pending·0 cites
- 2053US7974087B2Cartridge type hard disk drive and image forming apparatusCANON KK·Filed 2008·Granted Jul 5, 2011·0 cites·10 claims
- 2149US2014271030A1Fastening materialCANON KK·Filed 2014·Application pending·0 cites
- 2248US2015219134A1Screw fastening structureCANON KK·Filed 2013·Application pending·0 cites
- 2348US2006171664A1Cartridge type hard disk drive and image forming apparatusCANON KK·Filed 2005·Application pending·0 cites
- 2445US11578759B2Shaft retaining ring and image forming apparatusCANON KK·Filed 2020·Granted Feb 14, 2023·0 cites·16 claims
- 2544US9370130B2Casing for electronic equipment and image forming apparatusYAMAGUCHI YOSHIMASU·Filed 2012·Granted Jun 14, 2016·0 cites·7 claims
- 2644US2013283567A1Image forming apparatusCANON KK·Filed 2013·Application pending·0 cites
- 2742US10156272B2One-way clutch and image forming apparatusCANON KK·Filed 2016·Granted Dec 18, 2018·0 cites·14 claims
- 2835US6965104B2Laser optical apparatusCANON KK·Filed 2003·Granted Nov 15, 2005·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →