Inventor
SODA HARUHISA
JP20 patents
⚠️ This page may combine multiple inventors who share the name “SODA HARUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
14 patentsUS6081632AJun 27, 2000
Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board
FUJITSU LTD141 citations98
US6448583B1Sep 10, 2002
Optical semiconductor module, its manufacture, reflection film, its manufacture, and laser and optical devices using reflection film
FUJITSU LTD68 citations96
US5987046ANov 16, 1999
Optical semiconductor device and a method of manufacturing the same
FUJITSU LTD82 citations95
US6710378B1Mar 23, 2004
Semiconductor light reception device of end face light incidence type
FUJITSU LTD31 citations92
US5805627ASep 8, 1998
Laser diode and optical communications system using such laser diode
FUJITSU LTD28 citations92
US6872966B2Mar 29, 2005
Optical semiconductor device
FUJITSU LTD24 citations91
US6238943B1May 29, 2001
Optical semiconductor device and a method of manufacturing the same
FUJITSU LTD35 citations91
US5408487AApr 18, 1995
Semiconductor laser
FUJITSU LTD38 citations91
US4726031AFeb 16, 1988
Semiconductor laser
FUJITSU LTD25 citations91
US6044097AMar 28, 2000
Modulator integrated distributed feed-back laser diode module and device using the same
FUJITSU LTD35 citations89
US6579737B2Jun 17, 2003
Optical semiconductor module, its manufacture, reflection film, its manufacture, and laser and optical devices using reflection film
FUJITSU LTD7 citations74
US6862124B2Mar 1, 2005
Semiconductor optical modulator, mach-zehnder optical modulator employing the same, and method of manufacturing semiconductor optical modulator
FUJITSU LTD9 citations73
US6924918B2Aug 2, 2005
Optical modulator and method of manufacturing the same
FUJITSU LTD4 citations57
US6906308B2Jun 14, 2005
Semiconductor light receiving device in which optical and electric signal are propagated at matched velocities
FUJITSU LTD0 citations41