Inventor · disambiguated record
Yoshifumi Takehara
Also filed as: TAKEHARA YOSHIFUMI
25 granted patents·1 pending application·835 citations·filing 1990–2012
97Inventor score
Files withCANON KK25
Top patents by PatentIndex Score
26 records- 0198US6290220B1Sheet treating apparatus and image forming apparatus therewithCANON KK·Filed 1999·Granted Sep 18, 2001·102 cites·14 claims
- 0297US6671491B1Sheet processor mounted within sheet-discharge section of image forming apparatus, and image forming apparatus including the sameCANON KK·Filed 2000·Granted Dec 30, 2003·64 cites·22 claims
- 0397US5897250ASheet processing apparatusCANON KK·Filed 1997·Granted Apr 27, 1999·86 cites·39 claims
- 0496US6241234B1Sheet processing apparatus and image forming apparatus using sameCANON KK·Filed 1997·Granted Jun 5, 2001·81 cites·22 claims
- 0594US5802434AImage fixing apparatus with separation memberCANON KK·Filed 1994·Granted Sep 1, 1998·51 cites·32 claims
- 0693US5951000ASheet post-processing apparatusCANON KK·Filed 1997·Granted Sep 14, 1999·46 cites·43 claims
- 0791US5573233ASheet post-processing apparatus with malfunction operationCANON KK·Filed 1995·Granted Nov 12, 1996·48 cites·11 claims
- 0890US5911414ASheet transport apparatus having a hole puncher, and sheet processing deviceCANON KK·Filed 1997·Granted Jun 15, 1999·74 cites·21 claims
- 0990US5580039ASheet material sorting apparatus having means for holding and conveying the sheet materialCANON KK·Filed 1995·Granted Dec 3, 1996·34 cites·17 claims
- 1089US5384634ASheet post-processing apparatus having trays for receiving sets of sheetsCANON KK·Filed 1994·Granted Jan 24, 1995·37 cites·39 claims
- 1179US5084736AImage forming apparatusCANON KK·Filed 1990·Granted Jan 28, 1992·25 cites·81 claims
- 1277US5938186ASheet post-processing apparatusCANON KK·Filed 1997·Granted Aug 17, 1999·32 cites·12 claims
- 1374US5443248ASheet post-processing apparatusCANON KK·Filed 1993·Granted Aug 22, 1995·32 cites·21 claims
- 1472US5836579ASheet post-processing apparatus with stack inclining meansCANON KK·Filed 1997·Granted Nov 17, 1998·20 cites·41 claims
- 1569US5932722AHydroxygallium phthalocyanine compound, production process therefor and electrophotographic photosensitive member using the compoundCANON KK·Filed 1999·Granted Aug 3, 1999·17 cites·2 claims
- 1665US5678818ASheet post-treatment apparatusCANON KK·Filed 1996·Granted Oct 21, 1997·16 cites·20 claims
- 1759US5556251ASheet finisherCANON KK·Filed 1995·Granted Sep 17, 1996·18 cites·25 claims
- 1859US5449167ASheet material sorting apparatus having means for holding and conveying the sheet materialCANON KK·Filed 1993·Granted Sep 12, 1995·9 cites·7 claims
- 1958US5499811ASheet post-processing apparatusCANON KK·Filed 1994·Granted Mar 19, 1996·11 cites·38 claims
- 2054USRE45207ESheet treating apparatus and image forming apparatus therewithCANON KK·Filed 2012·Granted Oct 28, 2014·0 cites·14 claims
- 2149US5417417ASheet material sorting apparatus having means for holding and conveying the sheet materialCANON KK·Filed 1993·Granted May 23, 1995·6 cites·7 claims
- 2248US5909871ASheet post-processing apparatusCANON KK·Filed 1997·Granted Jun 8, 1999·8 cites·44 claims
- 2345US5657977ASheet post-processing apparatusCANON KK·Filed 1995·Granted Aug 19, 1997·7 cites·57 claims
- 2442US6155552ASorter and image forming apparatusCANON KK·Filed 1997·Granted Dec 5, 2000·6 cites·35 claims
- 2540US5918872ASheet binding apparatus with sheet set shifting means and image forming apparatus with the sameCANON KK·Filed 1997·Granted Jul 6, 1999·5 cites·33 claims
- 2634US2002086786A1Sheet folding apparatus and image forming apparatus having the sameFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →