Kouji NAKAHARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device
- Patent number 12,272,929
- Issue date Apr 8, 2025
- Lumentum Japan, Inc.
- Kazuki Suga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 12,046,870
- Issue date Jul 23, 2024
- Lumentum Japan, Inc.
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device
- Patent number 11,710,940
- Issue date Jul 25, 2023
- Lumentum Japan, Inc.
- Shigetaka Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device
- Patent number 11,283,242
- Issue date Mar 22, 2022
- Lumentum Japan, Inc.
- Shigetaka Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical element and semiconductor optical device comp...
- Patent number 11,189,991
- Issue date Nov 30, 2021
- Lumentum Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device, optical module, and method for manufa...
- Patent number 10,355,454
- Issue date Jul 16, 2019
- Oclaro Japan, Inc.
- Kouji Nakahara
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device, optical subassembly, and optical module
- Patent number 10,312,665
- Issue date Jun 4, 2019
- Oclaro Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter module
- Patent number 10,305,599
- Issue date May 28, 2019
- Oclaro Japan, Inc.
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter module
- Patent number 10,187,157
- Issue date Jan 22, 2019
- Oclaro Japan, Inc.
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical device, optical module, and method for manufa...
- Patent number 10,181,699
- Issue date Jan 15, 2019
- Oclaro Japan, Inc.
- Koichiro Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device, arrayed semiconductor optical device,...
- Patent number 9,778,428
- Issue date Oct 3, 2017
- Oclaro Japan, Inc.
- Koichiro Adachi
- G02 - OPTICS
Information Patent Grant
Semiconductor laser and optical semiconductor device
- Patent number 9,263,852
- Issue date Feb 16, 2016
- Oclaro Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser and optical semiconductor device
- Patent number 8,958,451
- Issue date Feb 17, 2015
- Oclaro Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 8,891,570
- Issue date Nov 18, 2014
- Oclaro Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light beam scanning image projection apparatus
- Patent number 8,569,727
- Issue date Oct 29, 2013
- Hitachi, Ltd.
- Etsuko Nomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Nitride semiconductor optical element and manufacturing method thereof
- Patent number 8,124,432
- Issue date Feb 28, 2012
- OpNext Japan, Inc.
- Tomonobu Tsuchiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Vertical cavity surface emitting semiconductor laser device
- Patent number 7,583,714
- Issue date Sep 1, 2009
- OpNext Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 7,223,993
- Issue date May 29, 2007
- Hitachi, Ltd.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diode and manufacturing method thereof
- Patent number 6,990,133
- Issue date Jan 24, 2006
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser equipment employing a grating
- Patent number 6,989,550
- Issue date Jan 24, 2006
- Hitachi, Ltd.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser diode and optical module
- Patent number 6,985,505
- Issue date Jan 10, 2006
- OpNext Japan, Inc.
- Etsuko Nomoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image scanning method and apparatus thereof
- Patent number 6,958,831
- Issue date Oct 25, 2005
- NEC Corporation
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading method and apparatus for same
- Patent number 6,943,922
- Issue date Sep 13, 2005
- NEC Corporation
- Tetsuichiro Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter equipment and semiconductor laser device
- Patent number 6,931,039
- Issue date Aug 16, 2005
- Hitachi, Ltd.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device using semiconductor
- Patent number 6,639,241
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Document reading apparatus and light source assembly therefor
- Patent number 6,563,608
- Issue date May 13, 2003
- NEC Corporation
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image data transfer system and method
- Patent number 6,522,424
- Issue date Feb 18, 2003
- NEC Corporation
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus
- Patent number 6,396,044
- Issue date May 28, 2002
- Hiroya Ooki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RIDGE-TYPE SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20240213743
- Publication date Jun 27, 2024
- Lumentum Operations, LLC
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20230155347
- Publication date May 18, 2023
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREFOR
- Publication number 20230106955
- Publication date Apr 6, 2023
- Lumentum Japan, Inc.
- Kazuki SUGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20220200243
- Publication date Jun 23, 2022
- Lumentum Japan, Inc.
- Shigetaka HAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20220085574
- Publication date Mar 17, 2022
- Lumentum Japan, Inc.
- Kazuki SUGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20210050713
- Publication date Feb 18, 2021
- Lumentum Japan, Inc.
- Shigetaka HAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT AND SEMICONDUCTOR OPTICAL DEVICE COMP...
- Publication number 20210044089
- Publication date Feb 11, 2021
- Lumentum Japan, Inc.
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SUBASSEMBLY, AND OPTICAL MODULE
- Publication number 20180366909
- Publication date Dec 20, 2018
- OCLARO JAPAN, INC.
- Takeshi KITATANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER MODULE
- Publication number 20180159631
- Publication date Jun 7, 2018
- Oclaro Japan, Inc.
- Kouji Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...
- Publication number 20180090910
- Publication date Mar 29, 2018
- Oclaro Japan, Inc.
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...
- Publication number 20180048116
- Publication date Feb 15, 2018
- OCLARO JAPAN, INC.
- Koichiro ADACHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMITTER MODULE
- Publication number 20170257170
- Publication date Sep 7, 2017
- Oclaro Japan, Inc.
- Kouji NAKAHARA
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE, ARRAYED SEMICONDUCTOR OPTICAL DEVICE,...
- Publication number 20170123172
- Publication date May 4, 2017
- OCLARO JAPAN, INC.
- Koichiro ADACHI
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR LASER AND OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20150155687
- Publication date Jun 4, 2015
- Oclaro Japan, Inc.
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER AND OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20140211823
- Publication date Jul 31, 2014
- OCLARO JAPAN, INC.
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20130208751
- Publication date Aug 15, 2013
- OCLARO JAPAN, INC.
- Kouji NAKAHARA
- B82 - NANO-TECHNOLOGY
Information Patent Application
LIGHT BEAM SCANNING IMAGE PROJECTION APPARATUS
- Publication number 20110096383
- Publication date Apr 28, 2011
- Etsuko Nomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NITRIDE SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20100150194
- Publication date Jun 17, 2010
- OpNext Japan, Inc.
- Tomonobu TSUCHIYA
- B82 - NANO-TECHNOLOGY
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING SEMICONDUCTOR LASER DEVICE
- Publication number 20080144683
- Publication date Jun 19, 2008
- Kouji NAKAHARA
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor Light Emitting Device
- Publication number 20070241344
- Publication date Oct 18, 2007
- Koichiro Adachi
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20070051939
- Publication date Mar 8, 2007
- Hitachi, Ltd.
- Kouji Nakahara
- G02 - OPTICS
Information Patent Application
Semiconductor laser diode and optical module
- Publication number 20050207463
- Publication date Sep 22, 2005
- OpnextJapan, Inc.
- Etsuko Nomoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser diode and manufacturing method thereof
- Publication number 20050127383
- Publication date Jun 16, 2005
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical semiconductor equipment
- Publication number 20040099859
- Publication date May 27, 2004
- Kouji Nakahara
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical transmitter equipment and semiconductor laser device
- Publication number 20040028100
- Publication date Feb 12, 2004
- Hitachi, Ltd.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser diode and optical module
- Publication number 20030165169
- Publication date Sep 4, 2003
- Opnext Japan, Inc.
- Etsuko Nomoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical device using semiconductor
- Publication number 20030042476
- Publication date Mar 6, 2003
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20020071462
- Publication date Jun 13, 2002
- Daisaku Takemoto
- B82 - NANO-TECHNOLOGY
Information Patent Application
Image reading method and apparatus for same
- Publication number 20020063785
- Publication date May 30, 2002
- NEC Corporation
- Tetsuichiro Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor laser module
- Publication number 20010024462
- Publication date Sep 27, 2001
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS

Kouji NAKAHARA

Person

Patents Grantslast 30 patents

Optical semiconductor device

Optical semiconductor device

Semiconductor optical device

Semiconductor optical device

Semiconductor optical element and semiconductor optical device comp...

Optical semiconductor device, optical module, and method for manufa...

Optical semiconductor device, optical subassembly, and optical module

Optical transmitter module

Optical transmitter module

Semiconductor optical device, optical module, and method for manufa...

Semiconductor optical device, arrayed semiconductor optical device,...

Semiconductor laser and optical semiconductor device

Semiconductor laser and optical semiconductor device

Optical semiconductor device

Light beam scanning image projection apparatus

Nitride semiconductor optical element and manufacturing method thereof

Vertical cavity surface emitting semiconductor laser device

Optical semiconductor device

Laser diode and manufacturing method thereof

Distributed feedback semiconductor laser equipment employing a grating

Semiconductor laser diode and optical module

Image scanning method and apparatus thereof

Image reading method and apparatus for same

Optical transmitter equipment and semiconductor laser device

Optical device using semiconductor

Document reading apparatus and light source assembly therefor

Image data transfer system and method

Image reading apparatus

Patents Applicationslast 30 patents

RIDGE-TYPE SEMICONDUCTOR OPTICAL DEVICE

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREFOR

SEMICONDUCTOR OPTICAL DEVICE

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL DEVICE

SEMICONDUCTOR OPTICAL ELEMENT AND SEMICONDUCTOR OPTICAL DEVICE COMP...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SUBASSEMBLY, AND OPTICAL MODULE

OPTICAL TRANSMITTER MODULE

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...

SEMICONDUCTOR OPTICAL DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...

OPTICAL TRANSMITTER MODULE

SEMICONDUCTOR OPTICAL DEVICE, ARRAYED SEMICONDUCTOR OPTICAL DEVICE,...

SEMICONDUCTOR LASER AND OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR LASER AND OPTICAL SEMICONDUCTOR DEVICE

OPTICAL SEMICONDUCTOR DEVICE

LIGHT BEAM SCANNING IMAGE PROJECTION APPARATUS

NITRIDE SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD THEREOF

VERTICAL CAVITY SURFACE EMITTING SEMICONDUCTOR LASER DEVICE

Semiconductor Light Emitting Device

OPTICAL SEMICONDUCTOR DEVICE

Semiconductor laser diode and optical module

Laser diode and manufacturing method thereof

Optical semiconductor equipment

Optical transmitter equipment and semiconductor laser device

Semiconductor laser diode and optical module

Optical device using semiconductor

Semiconductor laser device

Image reading method and apparatus for same

Semiconductor laser module