Inventor · disambiguated record
Akihisa Itabashi
Also filed as: ITABASHI AKIHISA
39 granted patents·2 pending applications·1,377 citations·filing 1989–2010
98Inventor score
Top patents by PatentIndex Score
41 records- 0196US6771407B2Optical scanner and image formation apparatusRICOH KK·Filed 2002·Granted Aug 3, 2004·82 cites·5 claims
- 0296US6376837B1Optical scanning apparatus and image forming apparatus having defective light source detectionRICOH KK·Filed 2000·Granted Apr 23, 2002·97 cites·23 claims
- 0395US6596985B2Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatusRIOCH COMPANY LTD·Filed 2001·Granted Jul 22, 2003·101 cites·22 claims
- 0495US5383754AImage forming apparatus having an image orientation identifying device and a binding deviceRICOH KK·Filed 1993·Granted Jan 24, 1995·158 cites·18 claims
- 0594US6429956B2Optical scanning device and image forming apparatus having the sameRICOH KK·Filed 2001·Granted Aug 6, 2002·71 cites·13 claims
- 0694US6381057B1Multi-beam scanning apparatusRICOH KK·Filed 2000·Granted Apr 30, 2002·62 cites·19 claims
- 0793US6839157B2Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitchRICOH KK·Filed 2002·Granted Jan 4, 2005·54 cites·7 claims
- 0893US6707480B2Image formation unit including stored performance informationRICOH KK·Filed 2002·Granted Mar 16, 2004·50 cites·7 claims
- 0992US6791596B2Method and apparatus for image forming capable of effectively generating pixel clock pulsesRICOH KK·Filed 2002·Granted Sep 14, 2004·84 cites·101 claims
- 1092US6469772B1Light source unit for optical scanning apparatus used in image forming apparatusesRICOH KK·Filed 2000·Granted Oct 22, 2002·57 cites·53 claims
- 1191US6747818B2Image forming lens, image forming lens unit, original document reading module, apparatus and method, and image information processing apparatusRICOH KK·Filed 2001·Granted Jun 8, 2004·49 cites·166 claims
- 1286US6937371B2Optical scanner and image formation apparatusRICOH KK·Filed 2004·Granted Aug 30, 2005·27 cites·20 claims
- 1386US6932271B2Optical scan module, optical scanner, optical scan method, image generator and image readerRICOH KK·Filed 2001·Granted Aug 23, 2005·44 cites·77 claims
- 1484US6700687B1Optical scanning deviceRICOH KK·Filed 2000·Granted Mar 2, 2004·25 cites·4 claims
- 1583US7826116B2Optical scanning device and image forming apparatusRICOH KK·Filed 2007·Granted Nov 2, 2010·10 cites·6 claims
- 1683US6800845B2Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatusRICOH KK·Filed 2003·Granted Oct 5, 2004·22 cites·20 claims
- 1783US6010369ASmall size male multi-contact connector and small size female multi-contact connectorCITIZEN WATCH CO LTD·Filed 1997·Granted Jan 4, 2000·50 cites·15 claims
- 1882US7936494B2Optical scanning device and image forming apparatusRICOH CO LTD·Filed 2010·Granted May 3, 2011·5 cites·13 claims
- 1981US5504613AOptical scannerRICOH KK·Filed 1993·Granted Apr 2, 1996·52 cites·9 claims
- 2080US7719737B2Optical scanning device, image forming apparatus and liquid crystal device driving methodRICOH KK·Filed 2008·Granted May 18, 2010·8 cites·42 claims
- 2180US7050080B2Image forming apparatus for controlling image writing by adjusting image clockRICOH KK·Filed 2001·Granted May 23, 2006·19 cites·44 claims
- 2280US5426298AOptical scannerRICOH KK·Filed 1994·Granted Jun 20, 1995·50 cites·53 claims
- 2379US6624920B2Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatusRICOH KK·Filed 2001·Granted Sep 23, 2003·17 cites·26 claims
- 2478US7450274B2Optical scanning apparatus, image forming apparatus, and beam positioning methodRICOH KK·Filed 2004·Granted Nov 11, 2008·18 cites·45 claims
- 2574US5475522AOptical scannerRICOH KK·Filed 1995·Granted Dec 12, 1995·41 cites·5 claims
- 2672US7903134B2Laser scanning apparatus having a photodetector having first and second light receiving unitsRICOH CO LTD·Filed 2008·Granted Mar 8, 2011·3 cites·22 claims
- 2769US7075563B2Multi-beam laser scanning deviceRICOH KK·Filed 2003·Granted Jul 11, 2006·8 cites·8 claims
- 2863US7006271B2Optical scanning device and image forming apparatusRICOH KK·Filed 2001·Granted Feb 28, 2006·8 cites·21 claims
- 2960US7019766B2Optical scanning deviceRICOH KK·Filed 2003·Granted Mar 28, 2006·5 cites·8 claims
- 3054US5029956AOptical scannerRICOH KK·Filed 1990·Granted Jul 9, 1991·15 cites·8 claims
- 3154US5015050AFθ lens system in optical scannerRICOH KK·Filed 1989·Granted May 14, 1991·16 cites·6 claims
- 3251US2005105156A1Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitchFiled 2004·Application pending·0 cites
- 3348US5136418Afθ lens system in optical scannerRICOH KK·Filed 1990·Granted Aug 4, 1992·14 cites·8 claims
- 3448US5062679Afθ Lens system in optical scannerRICOH KK·Filed 1990·Granted Nov 5, 1991·14 cites·8 claims
- 3546US8217978B2Optical scanning apparatus, an image formation apparatus, and a phase modulation methodAMADA TAKU·Filed 2007·Granted Jul 10, 2012·0 cites·12 claims
- 3646US5031979Af θ Lens system in optical scannerRICOH KK·Filed 1989·Granted Jul 16, 1991·11 cites·4 claims
- 3744US5064261AFθ lens systems in optical scannerRICOH KK·Filed 1990·Granted Nov 12, 1991·11 cites·8 claims
- 3843US6847474B2Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatusRICOH KK·Filed 2003·Granted Jan 25, 2005·0 cites·15 claims
- 3943US5648864AOptical scannerRICOH KK·Filed 1996·Granted Jul 15, 1997·10 cites·6 claims
- 4042US2007019269A1Optical scanning device and image forming apparatusITABASHI AKIHISA·Filed 2006·Application pending·0 cites
- 4141US5221986AScanning image-forming lens system and optical scannerRICOH KK·Filed 1992·Granted Jun 22, 1993·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →