Inventor
NAKAHARA KOUJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHARA KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCLARO JAPAN INC
9 patentsUS10181699B2Jan 15, 2019
Semiconductor optical device, optical module, and method for manufacturing semiconductor optical device
OCLARO JAPAN INC2 citations73
US9778428B2Oct 3, 2017
Semiconductor optical device, arrayed semiconductor optical device, and optical module
OCLARO JAPAN INC2 citations73
US10187157B2Jan 22, 2019
Optical transmitter module
OCLARO JAPAN INC4 citations72
US10355454B2Jul 16, 2019
Optical semiconductor device, optical module, and method for manufacturing optical semiconductor device
OCLARO JAPAN INC1 citations62
US9263852B2Feb 16, 2016
Semiconductor laser and optical semiconductor device
OCLARO JAPAN INC0 citations48
US8958451B2Feb 17, 2015
Semiconductor laser and optical semiconductor device
OCLARO JAPAN INC1 citations48
US10305599B2May 28, 2019
Optical transmitter module
OCLARO JAPAN INC0 citations42
US10312665B2Jun 4, 2019
Optical semiconductor device, optical subassembly, and optical module
OCLARO JAPAN INC0 citations41
US8891570B2Nov 18, 2014
Optical semiconductor device
OCLARO JAPAN INC0 citations39
LUMENTUM JAPAN INC
5 patentsUS11710940B2Jul 25, 2023
Semiconductor optical device
LUMENTUM JAPAN INC0 citations62
US11283242B2Mar 22, 2022
Semiconductor optical device
LUMENTUM JAPAN INC0 citations62
US12046870B2Jul 23, 2024
Optical semiconductor device
LUMENTUM JAPAN INC0 citations58
US11189991B2Nov 30, 2021
Semiconductor optical element and semiconductor optical device comprising the same
LUMENTUM JAPAN INC1 citations54
US12272929B2Apr 8, 2025
Optical semiconductor device
LUMENTUM JAPAN INC0 citations44
OPNEXT JAPAN INC
4 patentsUS6989550B2Jan 24, 2006
Distributed feedback semiconductor laser equipment employing a grating
OPNEXT JAPAN INC15 citations83
US6985505B2Jan 10, 2006
Semiconductor laser diode and optical module
OPNEXT JAPAN INC13 citations83
US6990133B2Jan 24, 2006
Laser diode and manufacturing method thereof
OPNEXT JAPAN INC14 citations82
US7583714B2Sep 1, 2009
Vertical cavity surface emitting semiconductor laser device
OPNEXT JAPAN INC6 citations62
NEC CORP
4 patentsUS6958831B1Oct 25, 2005
Image scanning method and apparatus thereof
NEC CORP3 citations62
US6943922B2Sep 13, 2005
Image reading method and apparatus for same
NEC CORP6 citations62
US6522424B1Feb 18, 2003
Image data transfer system and method
NEC CORP6 citations58
US6563608B1May 13, 2003
Document reading apparatus and light source assembly therefor
NEC CORP6 citations57