Inventor · disambiguated record
Osamu Ichihashi
Also filed as: ICHIHASHI OSAMU
30 granted patents·82 citations·filing 1974–2019
95Inventor score
Top patents by PatentIndex Score
30 records- 0192US9141039B2Image forming apparatus including a cam member to separate a transfer memberKATO YUJI·Filed 2013·Granted Sep 22, 2015·7 cites·9 claims
- 0292US8417164B2Transfer device and image forming apparatus using sameICHIHASHI OSAMU·Filed 2010·Granted Apr 9, 2013·7 cites·16 claims
- 0390US8811867B2Transfer device and image forming apparatus using sameICHIHASHI OSAMU·Filed 2013·Granted Aug 19, 2014·5 cites·20 claims
- 0488US8571450B2Image forming apparatusICHIHASHI OSAMU·Filed 2010·Granted Oct 29, 2013·5 cites·7 claims
- 0586US9395659B2Image forming apparatusTANAKA SHINYA·Filed 2014·Granted Jul 19, 2016·4 cites·20 claims
- 0685US8483597B2Transfer assembly and image forming apparatus using sameMIMBU RYUUICHI·Filed 2010·Granted Jul 9, 2013·4 cites·9 claims
- 0784US3959791ADigital display systemsYASHICA CO LTD·Filed 1974·Granted May 25, 1976·13 cites·12 claims
- 0883US9134656B2Image forming apparatusMIZUTANI TAKEHIDE·Filed 2014·Granted Sep 15, 2015·3 cites·14 claims
- 0983US9037042B2Image forming apparatusKATO YUJI·Filed 2013·Granted May 19, 2015·3 cites·19 claims
- 1082US8447198B2Detector and roller arrangement for an image forming apparatusFUJITA JUNPEI·Filed 2011·Granted May 21, 2013·3 cites·15 claims
- 1182US8433221B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2009·Granted Apr 30, 2013·7 cites·9 claims
- 1281US10234794B2Roller member and image forming apparatus including the roller memberIMAI MASAKAZU·Filed 2016·Granted Mar 19, 2019·2 cites·17 claims
- 1380US9274461B2Transfer device and image forming apparatus incorporating sameKATO TSUTOMU·Filed 2014·Granted Mar 1, 2016·3 cites·8 claims
- 1479US10558148B2Belt device and image forming apparatus incorporating sameICHIHASHI OSAMU·Filed 2019·Granted Feb 11, 2020·1 cites·10 claims
- 1579US9256165B2Transfer device and image forming apparatus incorporating sameTAKAHASHI YASUFUMI·Filed 2014·Granted Feb 9, 2016·2 cites·17 claims
- 1677US9063472B2Image forming apparatus and belt tensioning unitSENGOKU KENJI·Filed 2012·Granted Jun 23, 2015·2 cites·25 claims
- 1776US8548345B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2013·Granted Oct 1, 2013·2 cites·11 claims
- 1872US8718500B2Image forming apparatusMINBU RYUICHI·Filed 2010·Granted May 6, 2014·3 cites·14 claims
- 1971US8526842B2Image forming apparatusICHIHASHI OSAMU·Filed 2011·Granted Sep 3, 2013·1 cites·10 claims
- 2066US9335668B2Transfer device and image forming apparatus including sameMIMBU RYUUICHI·Filed 2011·Granted May 10, 2016·1 cites·14 claims
- 2160US8737865B2Image forming apparatusICHIHASHI OSAMU·Filed 2013·Granted May 27, 2014·0 cites·23 claims
- 2259US8798511B2Image forming apparatusICHIHASHI OSAMU·Filed 2013·Granted Aug 5, 2014·0 cites·12 claims
- 2358US10114331B2Transfer device and image forming apparatus incorporating sameFUJITA JUNPEI·Filed 2017·Granted Oct 30, 2018·0 cites·14 claims
- 2451US9897946B2Roller member including a first and second high resistance member and image forming apparatus including the roller memberIMAI MASAKAZU·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 2551US3964076AShutter speed display devices for electric shutter operating circuitsYASHICA CO LTD·Filed 1974·Granted Jun 15, 1976·4 cites·10 claims
- 2649US10191415B2Transfer rotator and image forming apparatus comprising the sameMIZUTANI TAKEHIDE·Filed 2017·Granted Jan 29, 2019·0 cites·20 claims
- 2749US8831466B2Image forming apparatusFUJITA JUNPEI·Filed 2012·Granted Sep 9, 2014·0 cites·22 claims
- 2848US9465331B2Image forming apparatusIMAI MASAKAZU·Filed 2015·Granted Oct 11, 2016·0 cites·6 claims
- 2942US9213272B2Image forming apparatus including a holding member to hold a roller relative to a frameICHIHASHI OSAMU·Filed 2012·Granted Dec 15, 2015·0 cites·15 claims
- 3038US9778603B2Transfer device and image forming apparatus incorporating sameKATO TSUTOMU·Filed 2016·Granted Oct 3, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →