Inventor
HATORI NOBUAKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “HATORI NOBUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
21 patentsUS9195001B2Nov 24, 2015
Spot size converter, optical transmitter, optical receiver, optical transceiver, and method of manufacturing spot size converter
FUJITSU LTD29 citations94
US9128240B2Sep 8, 2015
Spot-size converter, manufacturing method thereof, and integrated optical circuit device
FUJITSU LTD25 citations92
US7522647B2Apr 21, 2009
Semiconductor laser and method of fabricating the same
FUJITSU LTD28 citations92
US9904011B2Feb 27, 2018
Optical waveguide, optical interposer and light source
FUJITSU LTD12 citations84
US7738523B2Jun 15, 2010
Optical semiconductor device having diffraction grating
FUJITSU LTD7 citations74
US9964704B2May 8, 2018
Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiver
FUJITSU LTD5 citations73
US9612411B2Apr 4, 2017
Semiconductor optical waveguide device with an anti-reflection diffraction grating formed on both lateral sides of a core layer along a direction of optical propagation
FUJITSU LTD3 citations73
US9297956B2Mar 29, 2016
Optical device, optical transmitter, optical receiver, optical transceiver, and method of manufacturing optical device
FUJITSU LTD3 citations73
US8906721B2Dec 9, 2014
Semiconductor light emitting device and method for manufacturing the same
FUJITSU LTD4 citations73
US6628691B2Sep 30, 2003
Laser diode
FUJITSU LTD10 citations73
US7835418B2Nov 16, 2010
Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method
FUJITSU LTD4 citations63
US11177623B2Nov 16, 2021
Optical device and method of manufacturing the same
FUJITSU LTD1 citations62
US10958036B2Mar 23, 2021
Semiconductor light-emitting device and optical device
FUJITSU LTD1 citations62
US7573060B2Aug 11, 2009
Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method
FUJITSU LTD2 citations61
US9429706B2Aug 30, 2016
Optical waveguide coupler and method for manufacturing same
FUJITSU LTD1 citations52
US9235000B2Jan 12, 2016
Optical semiconductor apparatus
FUJITSU LTD0 citations52
US9130352B2Sep 8, 2015
Optical semiconductor device, light emitting device, optical transmitting device, and method of manufacturing optical semiconductor device
FUJITSU LTD0 citations52
US6867057B2Mar 15, 2005
Method of manufacturing a semiconductor laser
FUJITSU LTD1 citations52
US8802468B2Aug 12, 2014
Semiconductor light emitting device and fabrication method for semiconductor light emitting device
FUJITSU LTD0 citations51
US9871347B2Jan 16, 2018
Semiconductor light emitting device and optical transceiver
FUJITSU LTD1 citations49
US7081983B2Jul 25, 2006
Wavelength conversion device
FUJITSU LTD0 citations42
HATORI NOBUAKI
5 patentsUS8891578B2Nov 18, 2014
Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method
HATORI NOBUAKI2 citations61
US8483252B2Jul 9, 2013
Semiconductor light emitting device and fabrication method for semiconductor light emitting device
HATORI NOBUAKI4 citations60
US8232125B2Jul 31, 2012
Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method
HATORI NOBUAKI4 citations60
US8729526B2May 20, 2014
Optical semiconductor device and method of manufacturing optical semiconductor device
HATORI NOBUAKI0 citations51
US8304757B2Nov 6, 2012
Semiconductor light-emitting device, optical module, transmitter, and optical communication system
HATORI NOBUAKI1 citations51