Inventor · disambiguated record
Satoru Sugawara
Also filed as: SUGAWARA SATORU
46 granted patents·5 pending applications·808 citations·filing 1993–2020
98Inventor score
Top patents by PatentIndex Score
51 records- 0197US6975663B2Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diodeRICOH KK·Filed 2002·Granted Dec 13, 2005·88 cites·28 claims
- 0296US8750732B2Moisture sensor, moisture detector, and image forming apparatusISHII TOSHIHIRO·Filed 2012·Granted Jun 10, 2014·25 cites·8 claims
- 0396US6075493ATapered slot antennaRICOH KK·Filed 1998·Granted Jun 13, 2000·199 cites·12 claims
- 0493US7978739B2Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jul 12, 2011·20 cites·17 claims
- 0593US5357123ALight emitting diode array with dovetailRICOH KK·Filed 1993·Granted Oct 18, 1994·136 cites·16 claims
- 0692US8111725B2Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatusISHII TOSHIHIRO·Filed 2009·Granted Feb 7, 2012·21 cites·14 claims
- 0791US9157853B2Moisture sensor, moisture detector, and image forming apparatusRICOH CO LTD·Filed 2014·Granted Oct 13, 2015·8 cites·9 claims
- 0890US9696674B2Optical sensor and image forming apparatusISHII TOSHIHIRO·Filed 2013·Granted Jul 4, 2017·4 cites·8 claims
- 0990US6008770APlanar antenna and antenna arrayRICOH KK·Filed 1997·Granted Dec 28, 1999·106 cites·19 claims
- 1088US8705585B2Surface-emitting laser array, optical scanning device, and image forming deviceSATO SHUNICHI·Filed 2013·Granted Apr 22, 2014·6 cites·8 claims
- 1187US8803936B2Optical device capable of minimizing output variation due to feedback light, optical scanning apparatus, and image forming apparatusADACHI KAZUHIKO·Filed 2010·Granted Aug 12, 2014·8 cites·14 claims
- 1287US7245647B2Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diodeRICOH KK·Filed 2003·Granted Jul 17, 2007·28 cites·13 claims
- 1385US7590159B2Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diodeRICOH KK·Filed 2007·Granted Sep 15, 2009·9 cites·5 claims
- 1483US8441511B2Surface-emitting laser element including dielectric film selectively provided to control reflectance in emission region, surface-emitting laser array, optical scanner device, and image forming apparatusHARASAKA KAZUHIRO·Filed 2010·Granted May 14, 2013·6 cites·20 claims
- 1583US8421838B2Optical device, optical scanning device, image forming apparatus, and manufacturing method of optical deviceYAMAGUCHI TAKAYUKI·Filed 2010·Granted Apr 16, 2013·4 cites·10 claims
- 1682US9267886B2Optical sensor and image forming apparatusOHBA YOSHIHIRO·Filed 2011·Granted Feb 23, 2016·3 cites·20 claims
- 1782US9103717B2Optical sensor and image forming apparatus configured to detect inside diffusely-reflected lightOBA YOSHIHIRO·Filed 2013·Granted Aug 11, 2015·4 cites·9 claims
- 1882US8891571B2Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission systemJIKUTANI NAOTO·Filed 2009·Granted Nov 18, 2014·6 cites·8 claims
- 1981US8942583B2Optical sensor and image forming apparatusHOSHI FUMIKAZU·Filed 2013·Granted Jan 27, 2015·3 cites·16 claims
- 2081US8624950B2Surface-emitting laser comprising emission region having peripheral portion with anisotropy in two perpendicular directions, and surface-emitting laser array, optical scanning apparatus and image forming apparatus including the sameJIKUTANI NAOTO·Filed 2010·Granted Jan 7, 2014·5 cites·12 claims
- 2181US7002527B2Variable-directivity antenna and method for controlling antenna directivityRICOH KK·Filed 2004·Granted Feb 21, 2006·34 cites·21 claims
- 2279US8675271B2Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatusJIKUTANI NAOTO·Filed 2011·Granted Mar 18, 2014·4 cites·18 claims
- 2378US8916418B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2011·Granted Dec 23, 2014·3 cites·16 claims
- 2477US8971749B2Optical sensor and image forming apparatusOBA YOSHIHIRO·Filed 2013·Granted Mar 3, 2015·2 cites·12 claims
- 2576US8594146B2Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatusJIKUTANI NAOTO·Filed 2009·Granted Nov 26, 2013·4 cites·17 claims
- 2675US9170190B2Sensor device and image forming apparatusGOTO KAZUMA·Filed 2014·Granted Oct 27, 2015·2 cites·12 claims
- 2774US6686808B1Coplanar stripline with corrugated structureRICOH KK·Filed 1999·Granted Feb 3, 2004·36 cites·7 claims
- 2873US9570887B2Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission systemJIKUTANI NAOTO·Filed 2014·Granted Feb 14, 2017·2 cites·7 claims
- 2971US9831633B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2016·Granted Nov 28, 2017·1 cites·10 claims
- 3068US11215945B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·13 claims
- 3168US9513218B2Optical sensor and image forming device incorporating the sameOHBA YOSHIHIRO·Filed 2014·Granted Dec 6, 2016·1 cites·11 claims
- 3265US10606204B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2017·Granted Mar 31, 2020·0 cites·20 claims
- 3365US10039452B2Optical sensor, optical testing device, and optical characteristic detection methodISHII TOSHIHIRO·Filed 2014·Granted Aug 7, 2018·3 cites·18 claims
- 3464US9678006B2Optical sensor and image forming apparatusRICOH CO LTD·Filed 2016·Granted Jun 13, 2017·0 cites·18 claims
- 3564US7330157B2Antenna device having wide operation range with a compact sizeRICOH KK·Filed 2006·Granted Feb 12, 2008·4 cites·11 claims
- 3662US6937405B2Optical pickup projecting two laser beams from apparently approximated light-emitting pointsRICOH KK·Filed 2001·Granted Aug 30, 2005·4 cites·26 claims
- 3758US7423953B2Optical module and optical recording and/or reproducing apparatusRICOH KK·Filed 2006·Granted Sep 9, 2008·0 cites·15 claims
- 3857US9276377B2Surface-emitting laser module, optical scanner device, and image forming apparatusISHII TOSHIHIRO·Filed 2014·Granted Mar 1, 2016·0 cites·4 claims
- 3956US7092345B2Optical moduleRICOH KK·Filed 2002·Granted Aug 15, 2006·2 cites·17 claims
- 4055US9513216B2Optical sensor and image forming apparatusOHBA YOSHIHIRO·Filed 2015·Granted Dec 6, 2016·0 cites·9 claims
- 4151US9188530B2Sensor and image-forming apparatusHOSHI FUMIKAZU·Filed 2014·Granted Nov 17, 2015·0 cites·19 claims
- 4251US2009295902A1Surface-emitting laser array, optical scanning device, and image forming deviceRICOH KK·Filed 2007·Application pending·0 cites
- 4348US8976216B2Light source unit, optical scanning device, and image forming apparatusOHBA YOSHIHIRO·Filed 2011·Granted Mar 10, 2015·0 cites·19 claims
- 4447US9063004B2Package member for electronic component and optical device including the package memberFUJII TOSHISHIGE·Filed 2012·Granted Jun 23, 2015·0 cites·19 claims
- 4546US2006093010A1Surface-emission laser diode operable in the wavelength band of 1.1-1.7 um and optical telecommunication system using such a laser diodeSEKIYA TAKURO·Filed 2005·Application pending·0 cites
- 4646US2013235377A1Optical sensor and image forming deviceISHII TOSHIHIRO·Filed 2013·Application pending·0 cites
- 4745US2013057868A1Optical sensor, image forming apparatus and determination methodOBA YOSHIHIRO·Filed 2012·Application pending·0 cites
- 4843US6411175B1Power distribution/synthesis apparatusRICOH KK·Filed 1999·Granted Jun 25, 2002·6 cites·6 claims
- 4940US6219001B1Tapered slot antenna having a corrugated structureRICOH KK·Filed 1999·Granted Apr 17, 2001·11 cites·18 claims
- 5040US2013216246A1Optical sensor and image forming apparatusHOSHI FUMIKAZU·Filed 2013·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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