Inventor · disambiguated record
Hiromichi Atsuumi
Also filed as: ATSUUMI HIROMICHI
69 granted patents·2 pending applications·2,566 citations·filing 1992–2019
99Inventor score
Top patents by PatentIndex Score
71 records- 0198US7068407B2Optical element, optical scanner and image forming apparatusRICOH KK·Filed 2005·Granted Jun 27, 2006·49 cites·18 claims
- 0298US6509995B1Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatusRICOH KK·Filed 2000·Granted Jan 21, 2003·142 cites·6 claims
- 0397US6448998B1Scanning and imaging lens, optical scanning device and image forming apparatusRICOH KK·Filed 2000·Granted Sep 10, 2002·122 cites·31 claims
- 0497US6388792B1Optical scanning device and image forming apparatusRICOH KK·Filed 2000·Granted May 14, 2002·117 cites·42 claims
- 0596US6771407B2Optical scanner and image formation apparatusRICOH KK·Filed 2002·Granted Aug 3, 2004·82 cites·5 claims
- 0696US6417509B1Optical scanning apparatus and image forming apparatusRICOH KK·Filed 2000·Granted Jul 9, 2002·92 cites·28 claims
- 0795US7164516B2Optical scanner and image forming apparatusRICOH KK·Filed 2006·Granted Jan 16, 2007·44 cites·10 claims
- 0895US7154651B2Optical scanning device and imaging apparatus implementing the sameRICOH KK·Filed 2005·Granted Dec 26, 2006·40 cites·11 claims
- 0995US7106483B2Optical scanner and image forming apparatusRICOH KK·Filed 2004·Granted Sep 12, 2006·71 cites·6 claims
- 1095US7050210B2Optical scanning device and imaging apparatus implementing the sameRICOH KK·Filed 2003·Granted May 23, 2006·67 cites·2 claims
- 1195US7006120B2Multi-beam optical scanning apparatus and image forming apparatusRICOH KK·Filed 2003·Granted Feb 28, 2006·65 cites·33 claims
- 1295US6596985B2Multi-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
- 1393US7236281B2Optical scanner and image forming apparatusRICOH KK·Filed 2004·Granted Jun 26, 2007·52 cites·10 claims
- 1493US7126737B2Optical scanning apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Oct 24, 2006·32 cites·13 claims
- 1593US5606181AEdge emitting type light emitting diode array headsRICOH KK·Filed 1995·Granted Feb 25, 1997·204 cites·41 claims
- 1692US7397591B2Optical scanner and image forming apparatusRICOH KK·Filed 2007·Granted Jul 8, 2008·21 cites·2 claims
- 1792US7298537B2Optical scanner and image forming apparatusRICOH KK·Filed 2006·Granted Nov 20, 2007·20 cites·2 claims
- 1892US7271823B2Optical scanner and image forming apparatusRICOH KK·Filed 2004·Granted Sep 18, 2007·61 cites·5 claims
- 1992US6999208B2Optical scanner, optical scanning method, scanning image forming optical system, optical scanning lens and image forming apparatusRICOH KK·Filed 2001·Granted Feb 14, 2006·52 cites·120 claims
- 2092US6781729B2Optical scanning system with unvarying image surface under environmental temperature changeRICOH KK·Filed 2002·Granted Aug 24, 2004·58 cites·42 claims
- 2191US7636201B2Zoom lens and camera device including the sameRICOH KK·Filed 2008·Granted Dec 22, 2009·26 cites·12 claims
- 2291US6785028B1Optical scanning device having a temperature compensation unitRICOH KK·Filed 2000·Granted Aug 31, 2004·84 cites·6 claims
- 2391US6606179B2Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatusRICOH KK·Filed 2002·Granted Aug 12, 2003·39 cites·10 claims
- 2490US10078217B2Image display device and apparatusHAYASHI YUKI·Filed 2015·Granted Sep 18, 2018·8 cites·20 claims
- 2590US7933074B2Zoom lens unit and information deviceRICOH CO LTD·Filed 2010·Granted Apr 26, 2011·12 cites·17 claims
- 2690US7719773B2Zoom lens unit and imaging apparatusRICOH KK·Filed 2008·Granted May 18, 2010·22 cites·15 claims
- 2790US7038822B2Optical element, optical scanner and image forming apparatusRICOH KK·Filed 2003·Granted May 2, 2006·37 cites·22 claims
- 2890US6791729B2Adjusting imaging position of optical beam spot in main and sub-scanning directions by individually and/or collectively adjusting position(s) of temperature-compensating lens(es)RICOH KK·Filed 2002·Granted Sep 14, 2004·43 cites·21 claims
- 2989US7864443B2Zoom lens, imaging apparatus, and personal data assistantRICOH CO LTD·Filed 2008·Granted Jan 4, 2011·20 cites·8 claims
- 3088US7215354B1Scanning optical system, optical scanning device and image forming apparatusRICOH KK·Filed 2000·Granted May 8, 2007·37 cites·21 claims
- 3188US6801351B2Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatusRICOH KK·Filed 2002·Granted Oct 5, 2004·28 cites·3 claims
- 3287US9997093B2Image display apparatus and vehicleATSUUMI HIROMICHI·Filed 2016·Granted Jun 12, 2018·5 cites·20 claims
- 3387US5459601AOptical scanner for reducing shadingRICOH KK·Filed 1994·Granted Oct 17, 1995·66 cites·11 claims
- 3487US5355244AOptical scanner for reducing shadingRICOH KK·Filed 1992·Granted Oct 11, 1994·68 cites·3 claims
- 3586US6961164B2Scanning optics with optical elements formed of resin and optical scanning device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Nov 1, 2005·29 cites·15 claims
- 3686US6937371B2Optical scanner and image formation apparatusRICOH KK·Filed 2004·Granted Aug 30, 2005·27 cites·20 claims
- 3786US6829104B2Resin-made non-spherical optical element, optical scanning device using the optical element, and image forming apparatus using the optical scanning deviceRICOH KK·Filed 2002·Granted Dec 7, 2004·31 cites·21 claims
- 3885US8179610B2Zoom lens and information deviceTAKANO YOHEI·Filed 2010·Granted May 15, 2012·8 cites·18 claims
- 3984US9864195B2Image display apparatusNAKAMURA NAOKI·Filed 2016·Granted Jan 9, 2018·3 cites·8 claims
- 4083US6800845B2Multi-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
- 4183US5408095AOptical scanner having an image forming mirror and means for reducing scanning line pitch irregularitiesRICOH KK·Filed 1993·Granted Apr 18, 1995·59 cites·12 claims
- 4283US5233454AImage forming reflecting mirror for constant speed optical scan and optical scannerRICOH KK·Filed 1992·Granted Aug 3, 1993·58 cites·14 claims
- 4382US8054559B2Zoom lens, information device, and imaging apparatusRICOH CO LTD·Filed 2010·Granted Nov 8, 2011·5 cites·18 claims
- 4481US10191274B2Image display apparatusRICOH CO LTD·Filed 2017·Granted Jan 29, 2019·2 cites·9 claims
- 4581US7012724B2Optical scanning device having a temperature compensation unitRICOH KK·Filed 2004·Granted Mar 14, 2006·20 cites·9 claims
- 4681US6697183B2Light beam scanning apparatus and image forming system incorporating such apparatusRICOH KK·Filed 2002·Granted Feb 24, 2004·23 cites·28 claims
- 4781US6198563B1Optical scanning apparatus with improved design flexibilityRICOH KK·Filed 1999·Granted Mar 6, 2001·48 cites·12 claims
- 4881US5504613AOptical scannerRICOH KK·Filed 1993·Granted Apr 2, 1996·52 cites·9 claims
- 4980US8705180B2Zoom lens, imaging device and information deviceTAKANO YOHEI·Filed 2012·Granted Apr 22, 2014·4 cites·10 claims
- 5080US5426298AOptical scannerRICOH KK·Filed 1994·Granted Jun 20, 1995·50 cites·53 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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