Keishi Takaki

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nitride semiconductor device, production method thereof, diode, and...
- Patent number 9,911,842
- Issue date Mar 6, 2018
- Furukawa Electric Co., Ltd.
- Kazuyuki Umeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor multi-layer substrate, semiconductor device, and meth...
- Patent number 9,653,589
- Issue date May 16, 2017
- Furukawa Electric Co., Ltd.
- Kazuyuki Umeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser device, method of manufacturing the same, laser device array,...
- Patent number 9,300,114
- Issue date Mar 29, 2016
- Furukawa Electric Co., Ltd.
- Hitoshi Shimizu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor multi-layer substrate and semiconductor element
- Patent number 9,276,066
- Issue date Mar 1, 2016
- Fuji Electric Co., Ltd.
- Ryosuke Tamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 8,941,149
- Issue date Jan 27, 2015
- Furukawa Electric Co., Ltd.
- Jiang Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical light emitting device and manufacturing method
- Patent number 8,861,562
- Issue date Oct 14, 2014
- Furukawa Electric Co., Ltd.
- Toshihito Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical interconnection system
- Patent number 8,532,155
- Issue date Sep 10, 2013
- Furukawa Electric Co., Ltd.
- Keishi Takaki
- G02 - OPTICS
Information Patent Grant
Surface emitting laser, surface emitting laser array, light source...
- Patent number 8,494,022
- Issue date Jul 23, 2013
- Furukawa Electric Co., Ltd.
- Hitoshi Shimizu
- G02 - OPTICS
Information Patent Grant
Semiconductor laser element and manufacturing method thereof
- Patent number 8,488,644
- Issue date Jul 16, 2013
- Furukawa Electric Co., Ltd.
- Suguru Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting laser apparatus
- Patent number 8,306,080
- Issue date Nov 6, 2012
- Furukawa Electric Co., Ltd.
- Keishi Takaki
- B82 - NANO-TECHNOLOGY
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 laser device and vertical cavity s...
- Patent number 7,907,653
- Issue date Mar 15, 2011
- Furukawa Electric Co., Ltd.
- Norihiro Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing vertical-cavity surface-emitting laser devi...
- Patent number 7,888,145
- Issue date Feb 15, 2011
- The Furukawa Electric Co., Ltd.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting laser element array
- Patent number 7,881,353
- Issue date Feb 1, 2011
- Furukawa Electric Co., Ltd.
- Takeo Kageyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting laser element and method of fabricating the same
- Patent number 7,801,198
- Issue date Sep 21, 2010
- The Furukawa Electric Co., Ltd.
- Takeo Kageyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser module and optical transmission apparatus using...
- Patent number 7,593,448
- Issue date Sep 22, 2009
- The Furukawa Electric Co., Ltd.
- Keishi Takaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
DFB semiconductor laser device having ununiform arrangement of a di...
- Patent number 7,180,930
- Issue date Feb 20, 2007
- The Furukawa Electric Co., Ltd.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NITRIDE SEMICONDUCTOR DEVICE, PRODUCTION METHOD THEREOF, DIODE, AND...
- Publication number 20160225889
- Publication date Aug 4, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Kazuyuki UMENO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MULTI-LAYER SUBSTRATE AND SEMICONDUCTOR ELEMENT
- Publication number 20150221725
- Publication date Aug 6, 2015
- Fuji Electric Co., Ltd.
- Ryosuke Tamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, SCHOTTKY BA...
- Publication number 20150069410
- Publication date Mar 12, 2015
- FURUKAWA ELECTRIC CO., LTD.
- Kazuyuki UMENO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MULTI-LAYER SUBSTRATE, SEMICONDUCTOR DEVICE, AND METH...
- Publication number 20140374771
- Publication date Dec 25, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Kazuyuki UMENO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER, AND SEMICONDUCTOR WAFER
- Publication number 20140284660
- Publication date Sep 25, 2014
- Ryohei MAKINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20140117410
- Publication date May 1, 2014
- Jiang LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL INTERCONNECTION SYSTEM
- Publication number 20130121354
- Publication date May 16, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Keishi TAKAKI
- G02 - OPTICS
Information Patent Application
VERTICAL LIGHT EMITTING DEVICE AND MANUFACTURING METHOD
- Publication number 20130010822
- Publication date Jan 10, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Toshihito SUZUKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICOND...
- Publication number 20120320447
- Publication date Dec 20, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Keishi TAKAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER DEVICE, METHOD OF MANUFACTURING THE SAME, LASER DEVICE ARRAY,...
- Publication number 20120251039
- Publication date Oct 4, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Hitoshi SHIMIZU
- B82 - NANO-TECHNOLOGY
Information Patent Application
TWO-DIMENSIONAL SURFACE-EMITTING LASER ARRAY ELEMENT, SURFACE-EMITT...
- Publication number 20110274131
- Publication date Nov 10, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER APPARATUS
- Publication number 20110261846
- Publication date Oct 27, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Keishi TAKAKI
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LASER ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20110261852
- Publication date Oct 27, 2011
- FURUKAWA ELECTRIC CO., LTD
- Suguru Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE EMITTING LASER, SURFACE EMITTING LASER ARRAY, LIGHT SOURCE...
- Publication number 20110241564
- Publication date Oct 6, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Hitoshi SHIMIZU
- G02 - OPTICS
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
VERTICAL CAVITY SURFACE EMITTING LASER DEVICE AND VERTICAL CAVITY S...
- Publication number 20090304036
- Publication date Dec 10, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Norihiro Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE EMITTING LASER ELEMENT ARRAY
- Publication number 20090245312
- Publication date Oct 1, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Takeo Kageyama
- 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 ELEMENT AND METHOD OF FABRICATING THE SAME
- Publication number 20080240192
- Publication date Oct 2, 2008
- The Furukawa Electric Co, Ltd.
- Takeo KAGEYAMA
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF MANUFACTURING VERTICAL-CAVITY SURFACE-EMITTING LASER DEVI...
- Publication number 20080205463
- Publication date Aug 28, 2008
- THE FURUKAWA ELECTRIC CO., LTD.
- Keishi TAKAKI
- 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
Semiconductor laser module and optical transmission apparatus using...
- Publication number 20050249259
- Publication date Nov 10, 2005
- The Furukawa Electric CO., LTD
- Keishi Takaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DFB semiconductor laser device having ununiform arrangement of a di...
- Publication number 20040042516
- Publication date Mar 4, 2004
- THE FURUKAWA ELECTRIC CO., LTD.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS

Keishi Takaki

Person

Patents Grantslast 30 patents

Nitride semiconductor device, production method thereof, diode, and...

Semiconductor multi-layer substrate, semiconductor device, and meth...

Laser device, method of manufacturing the same, laser device array,...

Semiconductor multi-layer substrate and semiconductor element

Semiconductor device

Vertical light emitting device and manufacturing method

Optical interconnection system

Surface emitting laser, surface emitting laser array, light source...

Semiconductor laser element and manufacturing method thereof

Vertical cavity surface emitting laser apparatus

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 laser device and vertical cavity s...

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

Surface emitting laser element array

Surface emitting laser element and method of fabricating the same

Semiconductor laser module and optical transmission apparatus using...

Surface emitting laser device

DFB semiconductor laser device having ununiform arrangement of a di...

Patents Applicationslast 30 patents

NITRIDE SEMICONDUCTOR DEVICE, PRODUCTION METHOD THEREOF, DIODE, AND...

SEMICONDUCTOR MULTI-LAYER SUBSTRATE AND SEMICONDUCTOR ELEMENT

SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, SCHOTTKY BA...

SEMICONDUCTOR MULTI-LAYER SUBSTRATE, SEMICONDUCTOR DEVICE, AND METH...

METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER, AND SEMICONDUCTOR WAFER

SEMICONDUCTOR DEVICE

OPTICAL INTERCONNECTION SYSTEM

VERTICAL LIGHT EMITTING DEVICE AND MANUFACTURING METHOD

SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICOND...

LASER DEVICE, METHOD OF MANUFACTURING THE SAME, LASER DEVICE ARRAY,...

TWO-DIMENSIONAL SURFACE-EMITTING LASER ARRAY ELEMENT, SURFACE-EMITT...

VERTICAL CAVITY SURFACE EMITTING LASER APPARATUS

SEMICONDUCTOR LASER ELEMENT AND MANUFACTURING METHOD THEREOF

SURFACE EMITTING LASER, SURFACE EMITTING LASER ARRAY, LIGHT SOURCE...

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

VERTICAL CAVITY SURFACE EMITTING LASER DEVICE AND VERTICAL CAVITY S...

SURFACE EMITTING LASER ELEMENT ARRAY

SURFACE-EMITTING LASER DEVICE

SURFACE EMITTING LASER ELEMENT AND METHOD OF FABRICATING THE SAME

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

SURFACE EMITTING LASER DEVICE

Semiconductor laser module and optical transmission apparatus using...

DFB semiconductor laser device having ununiform arrangement of a di...