Inventor
JIKUTANI NAOTO
JP70 patents
⚠️ This page may combine multiple inventors who share the name “JIKUTANI NAOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
28 patentsUS6765232B2Jul 20, 2004
Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system
RICOH KK155 citations99
US6674785B2Jan 6, 2004
Vertical-cavity, surface-emission type laser diode and fabrication process thereof
RICOH KK99 citations99
US6614821B1Sep 2, 2003
Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
RICOH KK129 citations99
US6542528B1Apr 1, 2003
Light-emitting semiconductor device producing red wavelength optical radiation
RICOH KK131 citations99
US6207973B1Mar 27, 2001
Light emitting devices with layered III-V semiconductor structures
RICOH KK191 citations99
US6959025B2Oct 25, 2005
Surface-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 diode
RICOH KK103 citations98
US6563851B1May 13, 2003
Laser diode having an active layer containing N and operable in a 0.6 μm wavelength band
RICOH KK107 citations98
US6975663B2Dec 13, 2005
Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diode
RICOH KK88 citations97
US7684458B2Mar 23, 2010
Surface-emission laser diode and fabrication process thereof
RICOH KK42 citations96
US7787511B2Aug 31, 2010
Array of surface-emitting laser diodes having reduced device resistance and capable of performing high output operation and method of fabricating the surface-emitting laser diode
RICOH KK21 citations93
US7720125B2May 18, 2010
Surface light emitting laser element, surface light emitting laser array provided with it, electro-photographic system and optical communication system
RICOH KK37 citations93
US7542499B2Jun 2, 2009
Surface-emission laser diode and surface-emission laser array, optical interconnection system, optical communication system, electrophotographic system, and optical disk system
RICOH KK37 citations93
US7466738B2Dec 16, 2008
Surface emitting laser device and production method
RICOH KK27 citations93
US7180100B2Feb 20, 2007
Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system
RICOH KK24 citations93
US7067846B2Jun 27, 2006
Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system
RICOH KK22 citations93
US6983004B2Jan 3, 2006
Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
RICOH KK13 citations93
US6884291B1Apr 26, 2005
Laser diode having an active layer containing N and operable in a 0.6 μm wavelength band
RICOH KK21 citations93
US6657233B2Dec 2, 2003
Light emitting devices with layered III-V semiconductor structures, and modules and systems for computer, network and optical communication, using such device
RICOH KK33 citations93
US7746912B2Jun 29, 2010
Surface emitting laser element, surface emitting laser array, optical scanning apparatus, image forming apparatus, and optical communication system
RICOH KK39 citations92
US7693204B2Apr 6, 2010
Surface-emitting laser device and surface-emitting laser array including same
RICOH KK39 citations92
US7245647B2Jul 17, 2007
Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diode
RICOH KK28 citations92
US6829271B2Dec 7, 2004
Light-emitting semiconductor device producing red wavelength optical radiation
RICOH KK14 citations84
US7590159B2Sep 15, 2009
Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode
RICOH KK9 citations83
US7684456B2Mar 23, 2010
Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
RICOH KK5 citations74
US7260137B2Aug 21, 2007
Vertical-cavity surface-emission type laser diode and fabrication process thereof
RICOH KK8 citations74
US7139297B2Nov 21, 2006
Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
RICOH KK8 citations74
US7022539B2Apr 4, 2006
Vertical-cavity, surface-emission type laser diode and fabrication process thereof
RICOH KK10 citations74
US6974974B2Dec 13, 2005
Light emitting devices with layered III -V semiconductor structures, and modules and systems for computer, network and optical communication, using such devices
RICOH KK6 citations74
JIKUTANI NAOTO
7 patentsUS8537870B2Sep 17, 2013
Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
JIKUTANI NAOTO6 citations84
US8891571B2Nov 18, 2014
Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission system
JIKUTANI NAOTO6 citations83
US8675271B2Mar 18, 2014
Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatus
JIKUTANI NAOTO4 citations73
US8624950B2Jan 7, 2014
Surface-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 same
JIKUTANI NAOTO5 citations73
US9570887B2Feb 14, 2017
Vertical cavity surface emitting laser device, vertical cavity surface emitting laser array, optical scanning apparatus, image forming apparatus, optical transmission module and optical transmission system
JIKUTANI NAOTO2 citations72
US8824517B2Sep 2, 2014
Surface-emission laser devices, surface-emission laser array having the same, electrophotographic system and optical communication system
JIKUTANI NAOTO3 citations63
US8340148B2Dec 25, 2012
Surface-emission laser devices, surface-emission laser array having the same, electrophotographic system and optical communication system
JIKUTANI NAOTO3 citations63
RICOH CO LTD
6 patentsUS7940825B2May 10, 2011
Surface-emission laser diode and surface-emission laser array, optical interconnection system, optical communication system, electrophotographic system, and optical disk system
RICOH CO LTD20 citations93
US8035676B2Oct 11, 2011
Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatus
RICOH CO LTD23 citations92
US7981700B2Jul 19, 2011
Semiconductor oxidation apparatus and method of producing semiconductor element
RICOH CO LTD11 citations79
US7968362B2Jun 28, 2011
Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system
RICOH CO LTD6 citations74
US11808855B2Nov 7, 2023
Optical device, range sensor using optical device, and mobile object
RICOH CO LTD2 citations72
US7940827B2May 10, 2011
Vertical-cavity, surface-emission type laser diode and fabrication process thereof
RICOH CO LTD2 citations63
SATO SHUNICHI
4 patentsUS8401049B2Mar 19, 2013
Surface-emission laser diode and fabrication process thereof
SATO SHUNICHI20 citations93
US8208511B2Jun 26, 2012
Surface emitting laser, surface emitting laser array, optical scanning device, image forming apparatus, optical transmission module and optical transmission system
SATO SHUNICHI17 citations83
US8855159B2Oct 7, 2014
Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatus
SATO SHUNICHI2 citations63
US8199788B2Jun 12, 2012
Surface-emission laser diode and fabrication process thereof
SATO SHUNICHI1 citations63
HARASAKA KAZUHIRO
2 patentsUS8483254B2Jul 9, 2013
Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatus
HARASAKA KAZUHIRO7 citations83
US8441511B2May 14, 2013
Surface-emitting laser element including dielectric film selectively provided to control reflectance in emission region, surface-emitting laser array, optical scanner device, and image forming apparatus
HARASAKA KAZUHIRO6 citations72
ISHII TOSHIHIRO
1 patentADACHI KAZUHIKO
1 patentHAGITA KENTAROH
1 patentShowing the top 50 of 70 patents by PatentIndex Score.