Inventor · disambiguated record
Shunichi Sato
Also filed as: SATO SHUNICHI
153 granted patents·17 pending applications·3,789 citations·filing 1974–2025
99Inventor score
Top patents by PatentIndex Score
170 records- 0199US6803604B2Semiconductor optical modulator, an optical amplifier and an integrated semiconductor light-emitting deviceRICOH KK·Filed 2002·Granted Oct 12, 2004·129 cites·6 claims
- 0299US6674785B2Vertical-cavity, surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2001·Granted Jan 6, 2004·99 cites·17 claims
- 0399US6614821B1Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2000·Granted Sep 2, 2003·129 cites·5 claims
- 0499US6542528B1Light-emitting semiconductor device producing red wavelength optical radiationRICOH KK·Filed 2000·Granted Apr 1, 2003·131 cites·63 claims
- 0598US7720125B2Surface light emitting laser element, surface light emitting laser array provided with it, electro-photographic system and optical communication systemRICOH KK·Filed 2006·Granted May 18, 2010·37 cites·5 claims
- 0698US7684458B2Surface-emission laser diode and fabrication process thereofRICOH KK·Filed 2005·Granted Mar 23, 2010·42 cites·9 claims
- 0798US6959025B2Surface-emitting laser diode having reduced device resistance and capable of performing high output operation, surface-emitting laser diode array, electrophotographic system, surface-emitting laser diode module, optical telecommunication system, optical interconnection system using the surface-emitting laser diode, and method of fabricating the surface-emitting laser diodeRICOH KK·Filed 2003·Granted Oct 25, 2005·103 cites·18 claims
- 0897US7693204B2Surface-emitting laser device and surface-emitting laser array including sameRICOH KK·Filed 2007·Granted Apr 6, 2010·39 cites·21 claims
- 0997US6975663B2Surface-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
- 1097US6765232B2Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication systemRICOH KK·Filed 2002·Granted Jul 20, 2004·155 cites·44 claims
- 1196US8401049B2Surface-emission laser diode and fabrication process thereofSATO SHUNICHI·Filed 2012·Granted Mar 19, 2013·20 cites·10 claims
- 1296US8089498B2Surface-emission laser array, optical scanning apparatus apparatus and image forming apparatusSATO SHUNICHI·Filed 2007·Granted Jan 3, 2012·30 cites·8 claims
- 1395US8508567B2Surface-emission laser array, optical scanning apparatus and image forming apparatusSATO SHUNICHI·Filed 2011·Granted Aug 13, 2013·20 cites·4 claims
- 1495US7746912B2Surface emitting laser element, surface emitting laser array, optical scanning apparatus, image forming apparatus, and optical communication systemRICOH KK·Filed 2007·Granted Jun 29, 2010·39 cites·9 claims
- 1595US6563851B1Laser diode having an active layer containing N and operable in a 0.6 μm wavelength bandRICOH KK·Filed 1999·Granted May 13, 2003·107 cites·24 claims
- 1694US7787511B2Array of surface-emitting laser diodes having reduced device resistance and capable of performing high output operation and method of fabricating the surface-emitting laser diodeRICOH KK·Filed 2005·Granted Aug 31, 2010·21 cites·4 claims
- 1794US6207973B1Light emitting devices with layered III-V semiconductor structuresRICOH KK·Filed 1999·Granted Mar 27, 2001·191 cites·41 claims
- 1893US9201404B2Alkali metal cell, atomic oscillator, and alkali metal cell fabricating methodHARASAKA KAZUHIRO·Filed 2013·Granted Dec 1, 2015·11 cites·16 claims
- 1993US8035676B2Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 11, 2011·23 cites·14 claims
- 2093US7978739B2Surface 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
- 2193US6300650B1Optical semiconductor device having a multilayer reflection structureRICOH KK·Filed 1999·Granted Oct 9, 2001·92 cites·6 claims
- 2292US8208511B2Surface emitting laser, surface emitting laser array, optical scanning device, image forming apparatus, optical transmission module and optical transmission systemSATO SHUNICHI·Filed 2008·Granted Jun 26, 2012·17 cites·20 claims
- 2392US8111725B2Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatusISHII TOSHIHIRO·Filed 2009·Granted Feb 7, 2012·21 cites·14 claims
- 2492US7800805B2Optical Scanning apparatus and image forming apparatusRICOH KK·Filed 2007·Granted Sep 21, 2010·17 cites·18 claims
- 2592US7198972B2Laser diode having an active layer containing N and operable in a 0.6 μm wavelength bandRICOH KK·Filed 2003·Granted Apr 3, 2007·33 cites·4 claims
- 2692US6927412B2Semiconductor light emitterRICOH KK·Filed 2003·Granted Aug 9, 2005·78 cites·7 claims
- 2792US5923691ALaser diode operable in 1.3 μm or 1.5 μm wavelength band with improved efficiencyRICOH KK·Filed 1997·Granted Jul 13, 1999·87 cites·7 claims
- 2891US6281518B1Layered III-V semiconductor structures and light emitting devices including the structuresRICOH KK·Filed 1998·Granted Aug 28, 2001·163 cites·20 claims
- 2990US7957444B2Surface-emission laser diode, surface-emission laser diode array, optical scanning apparatus and image forming apparatusRICOH CO LTD·Filed 2007·Granted Jun 7, 2011·12 cites·11 claims
- 3090US7235816B2Semiconductor light emitterRICOH KK·Filed 2005·Granted Jun 26, 2007·14 cites·2 claims
- 3190US6233264B1Optical semiconductor device having an active layer containing NRICOH KK·Filed 1997·Granted May 15, 2001·105 cites·36 claims
- 3290US6002700AOptical semiconductor device having a multilayer reflection structureRICOH KK·Filed 1997·Granted Dec 14, 1999·81 cites·9 claims
- 3389US8537870B2Laser diode and semiconductor light-emitting device producing visible-wavelength radiationJIKUTANI NAOTO·Filed 2011·Granted Sep 17, 2013·6 cites·16 claims
- 3489US7260137B2Vertical-cavity surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2006·Granted Aug 21, 2007·8 cites·9 claims
- 3589US7180100B2Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication systemRICOH KK·Filed 2004·Granted Feb 20, 2007·24 cites·1 claims
- 3688US8970309B2Atomic oscillator and method for fabricating atomic oscillatorSATO SHUNICHI·Filed 2012·Granted Mar 3, 2015·9 cites·17 claims
- 3788US8705585B2Surface-emitting laser array, optical scanning device, and image forming deviceSATO SHUNICHI·Filed 2013·Granted Apr 22, 2014·6 cites·8 claims
- 3888US7453096B2Method of fabricating a semiconductor light-emitting deviceRICOH KK·Filed 2006·Granted Nov 18, 2008·11 cites·6 claims
- 3988US5939733ACompound semiconductor device having a group III-V compound semiconductor layer containing therein T1 and AsRICOH KK·Filed 1997·Granted Aug 17, 1999·87 cites·11 claims
- 4088US5515682APeltier control circuit and a peltier device structureFUJITSU LTD·Filed 1994·Granted May 14, 1996·69 cites·16 claims
- 4187US8803936B2Optical 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
- 4287US8483254B2Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatusHARASAKA KAZUHIRO·Filed 2009·Granted Jul 9, 2013·7 cites·20 claims
- 4387US8279519B2Semiconductor optical modulator, an optical amplifier and an integrated semiconductor light-emitting deviceTAKAHASHI TAKASHI·Filed 2010·Granted Oct 2, 2012·6 cites·4 claims
- 4487US7245647B2Surface-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
- 4587US6697404B1Laser diode operable in 1.3μm or 1.5μm wavelength band with improved efficiencyRICOH KK·Filed 2000·Granted Feb 24, 2004·22 cites·9 claims
- 4687US6072196Asemiconductor light emitting devicesRICOH KK·Filed 1997·Granted Jun 6, 2000·114 cites·21 claims
- 4786US6449299B1Optical semiconductor device having an active layer containing NRICOH KK·Filed 2000·Granted Sep 10, 2002·39 cites·34 claims
- 4885US7872270B2Semiconductor light emitterRICOH CO LTD·Filed 2010·Granted Jan 18, 2011·3 cites·20 claims
- 4985US7590159B2Surface-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
- 5085US6049556AVertical cavity surface emitting laser diode operable in 1.3 μm or 1.5 μm wavelength band with improved efficiencyRICOH KK·Filed 1999·Granted Apr 11, 2000·54 cites·4 claims
Showing the top 50 of 170 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →