Koji HIRAIWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing vertical-cavity surface emitting laser
- Patent number 8,409,998
- Issue date Apr 2, 2013
- Furukawa Electric Co., Ltd.
- Kageyama Takeo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting element and manufacturing method thereof
- Patent number 8,270,447
- Issue date Sep 18, 2012
- Furukawa Electric Co., Ltd.
- Naoki Tsukiji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing vertical-cavity surface emitting laser and...
- Patent number 8,204,093
- Issue date Jun 19, 2012
- The Furukawa Electric Co., Ltd.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Testing method of surface-emitting laser device and testing device...
- Patent number 8,178,364
- Issue date May 15, 2012
- Furukawa Electric Co., Ltd.
- Koji Hiraiwa
- G01 - MEASURING TESTING
Information Patent Grant
Vertical-cavity surface-emitting semiconductor laser device
- Patent number 7,885,307
- Issue date Feb 8, 2011
- The Furukawa Electric Co., Ltd.
- Kinuka Tanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting laser device
- Patent number 7,418,020
- Issue date Aug 26, 2008
- The Furukawa Electric Co., Ltd.
- Koji Hiraiwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor waveguide type photodetector and method for manufactu...
- Patent number 6,177,710
- Issue date Jan 23, 2001
- The Furukawa Electric Co., Ltd.
- Kazuaki Nishikata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR OPTICAL S...
- Publication number 20240396296
- Publication date Nov 28, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenshiro MATSUSHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...
- Publication number 20240388065
- Publication date Nov 21, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenichi MIYAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...
- Publication number 20240380183
- Publication date Nov 14, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenichi MIYAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING VERTICAL-CAVITY SURFACE EMITTING LASER
- Publication number 20110076854
- Publication date Mar 31, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Kageyama Takeo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING VERTICAL-CAVITY SURFACE EMITTING LASER AND...
- Publication number 20110064108
- Publication date Mar 17, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TESTING METHOD OF SURFACE-EMITTING LASER DEVICE AND TESTING DEVICE...
- Publication number 20110003403
- Publication date Jan 6, 2011
- THE FURUKAWA ELECTRIC CO., LTD.
- Koji HIRAIWA
- G01 - MEASURING TESTING
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20100232465
- Publication date Sep 16, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Naoki TSUKIJI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE-EMITTING LASER DEVICE
- Publication number 20080273569
- Publication date Nov 6, 2008
- The Furukawa Electric Co, Ltd.
- Koji HIRAIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE EMITTING LASER DEVICE
- Publication number 20070110115
- Publication date May 17, 2007
- The Furukawa Electric Co, Ltd.
- Koji HIRAIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL-CAVITY SURFACE-EMITTING SEMICONDUCTOR LASER DEVICE
- Publication number 20070091965
- Publication date Apr 26, 2007
- FURUKAWA ELECTRIC CO., LTD.
- Kinuka Tanabe
- H01 - BASIC ELECTRIC ELEMENTS

Koji HIRAIWA

Person

Patents Grantslast 30 patents

Method of manufacturing vertical-cavity surface emitting laser

Semiconductor light emitting element and manufacturing method thereof

Method of manufacturing vertical-cavity surface emitting laser and...

Testing method of surface-emitting laser device and testing device...

Vertical-cavity surface-emitting semiconductor laser device

Surface emitting laser device

Semiconductor waveguide type photodetector and method for manufactu...

Patents Applicationslast 30 patents

OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR OPTICAL S...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...

METHOD OF MANUFACTURING VERTICAL-CAVITY SURFACE EMITTING LASER

METHOD OF MANUFACTURING VERTICAL-CAVITY SURFACE EMITTING LASER AND...

TESTING METHOD OF SURFACE-EMITTING LASER DEVICE AND TESTING DEVICE...

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF

SURFACE-EMITTING LASER DEVICE

SURFACE EMITTING LASER DEVICE

VERTICAL-CAVITY SURFACE-EMITTING SEMICONDUCTOR LASER DEVICE