Inventor · disambiguated record
Naoto Jikutani
Also filed as: JIKUTANI NAOTO
70 granted patents·13 pending applications·1,640 citations·filing 1999–2024
99Inventor score
Top patents by PatentIndex Score
83 records- 0199US6674785B2Vertical-cavity, surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2001·Granted Jan 6, 2004·99 cites·17 claims
- 0299US6614821B1Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2000·Granted Sep 2, 2003·129 cites·5 claims
- 0399US6542528B1Light-emitting semiconductor device producing red wavelength optical radiationRICOH KK·Filed 2000·Granted Apr 1, 2003·131 cites·63 claims
- 0498US7720125B2Surface 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
- 0598US7684458B2Surface-emission laser diode and fabrication process thereofRICOH KK·Filed 2005·Granted Mar 23, 2010·42 cites·9 claims
- 0698US6959025B2Surface-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
- 0797US7693204B2Surface-emitting laser device and surface-emitting laser array including sameRICOH KK·Filed 2007·Granted Apr 6, 2010·39 cites·21 claims
- 0897US6975663B2Surface-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
- 0997US6765232B2Semiconductor 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
- 1096US8401049B2Surface-emission laser diode and fabrication process thereofSATO SHUNICHI·Filed 2012·Granted Mar 19, 2013·20 cites·10 claims
- 1196US7466738B2Surface emitting laser device and production methodRICOH KK·Filed 2005·Granted Dec 16, 2008·27 cites·23 claims
- 1295US7746912B2Surface 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
- 1395US6563851B1Laser 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
- 1494US7940825B2Surface-emission laser diode and surface-emission laser array, optical interconnection system, optical communication system, electrophotographic system, and optical disk systemRICOH CO LTD·Filed 2009·Granted May 10, 2011·20 cites·11 claims
- 1594US7787511B2Array 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
- 1694US6207973B1Light emitting devices with layered III-V semiconductor structuresRICOH KK·Filed 1999·Granted Mar 27, 2001·191 cites·41 claims
- 1793US8035676B2Surface 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
- 1893US7542499B2Surface-emission laser diode and surface-emission laser array, optical interconnection system, optical communication system, electrophotographic system, and optical disk systemRICOH KK·Filed 2004·Granted Jun 2, 2009·37 cites·9 claims
- 1992US8208511B2Surface 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
- 2092US8111725B2Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatusISHII TOSHIHIRO·Filed 2009·Granted Feb 7, 2012·21 cites·14 claims
- 2189US8537870B2Laser diode and semiconductor light-emitting device producing visible-wavelength radiationJIKUTANI NAOTO·Filed 2011·Granted Sep 17, 2013·6 cites·16 claims
- 2289US7260137B2Vertical-cavity surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2006·Granted Aug 21, 2007·8 cites·9 claims
- 2389US7180100B2Semiconductor 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
- 2487US8483254B2Surface-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
- 2587US7245647B2Surface-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
- 2685US7684456B2Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2006·Granted Mar 23, 2010·5 cites·8 claims
- 2785US7590159B2Surface-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
- 2883US8441511B2Surface-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
- 2983US7981700B2Semiconductor oxidation apparatus and method of producing semiconductor elementRICOH CO LTD·Filed 2006·Granted Jul 19, 2011·11 cites·7 claims
- 3082US12046872B2Surface emitting laser, surface emitting laser device, light source device, and detection apparatusIZUMIYA KAZUMA·Filed 2020·Granted Jul 23, 2024·1 cites·20 claims
- 3182US9966730B2Surface-emitting laser apparatus and manufacturing method thereofADACHI KAZUHIKO·Filed 2015·Granted May 8, 2018·3 cites·13 claims
- 3282US8891571B2Vertical 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
- 3382US7968362B2Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication systemRICOH CO LTD·Filed 2009·Granted Jun 28, 2011·6 cites·15 claims
- 3482US6657233B2Light emitting devices with layered III-V semiconductor structures, and modules and systems for computer, network and optical communication, using such deviceRICOH KK·Filed 2000·Granted Dec 2, 2003·33 cites·47 claims
- 3581US8649407B2Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatusHARASAKA KAZUHIRO·Filed 2013·Granted Feb 11, 2014·3 cites·29 claims
- 3681US8624950B2Surface-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
- 3781US6829271B2Light-emitting semiconductor device producing red wavelength optical radiationRICOH KK·Filed 2003·Granted Dec 7, 2004·14 cites·5 claims
- 3880US10559942B2Laser device and internal combustion engineHAGITA KENTAROH·Filed 2018·Granted Feb 11, 2020·2 cites·7 claims
- 3980US8958449B2Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatusHARASAKA KAZUHIRO·Filed 2013·Granted Feb 17, 2015·3 cites·8 claims
- 4080US8824517B2Surface-emission laser devices, surface-emission laser array having the same, electrophotographic system and optical communication systemJIKUTANI NAOTO·Filed 2012·Granted Sep 2, 2014·3 cites·5 claims
- 4179US8675271B2Surface-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
- 4279US7022539B2Vertical-cavity, surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2003·Granted Apr 4, 2006·10 cites·3 claims
- 4378US8340148B2Surface-emission laser devices, surface-emission laser array having the same, electrophotographic system and optical communication systemJIKUTANI NAOTO·Filed 2010·Granted Dec 25, 2012·3 cites·8 claims
- 4478US7067846B2Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication systemRICOH KK·Filed 2004·Granted Jun 27, 2006·22 cites·12 claims
- 4577US7760787B2Surface emitting laser device and production methodRICOH KK·Filed 2008·Granted Jul 20, 2010·4 cites·3 claims
- 4677US7139297B2Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2004·Granted Nov 21, 2006·8 cites·8 claims
- 4776US8594146B2Surface 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
- 4876US6983004B2Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2003·Granted Jan 3, 2006·13 cites·6 claims
- 4974US8774242B2Surface emitting laser diode, optical scanning apparatus and image forming apparatusITOH AKIHIRO·Filed 2012·Granted Jul 8, 2014·3 cites·12 claims
- 5074US7940827B2Vertical-cavity, surface-emission type laser diode and fabrication process thereofRICOH CO LTD·Filed 2009·Granted May 10, 2011·2 cites·6 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →