Akihiko Kasukawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 9,960,572
- Issue date May 1, 2018
- Furukawa Electric Co., Ltd.
- Masayuki Iwami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device and pumping light source for optical f...
- Patent number 8,385,379
- Issue date Feb 26, 2013
- Furukawa Electric Co., Ltd.
- Junji Yoshida
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nitride based semiconductor device and method of manufacturing the...
- Patent number 8,222,639
- Issue date Jul 17, 2012
- Furukawa Electric Co., Ltd.
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting element and method of manufacturing th...
- Patent number 8,222,658
- Issue date Jul 17, 2012
- The Furukawa Electric Co., Ltd.
- Tatsuyuki Shinagawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Laser gyro and electronic device using the same
- Patent number 7,564,563
- Issue date Jul 21, 2009
- Advanced Telecommunications Research Institute International
- Noriyuki Yokouchi
- G01 - MEASURING TESTING
Information Patent Grant
DFB laser assembly and laser module
- Patent number 7,453,100
- Issue date Nov 18, 2008
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide semiconductor laser diode
- Patent number 7,072,373
- Issue date Jul 4, 2006
- The Furukawa Electric Co., Ltd.
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical waveguide structure
- Patent number 7,061,954
- Issue date Jun 13, 2006
- The Furukawa Electric Co. Ltd.
- Norihiro Iwai
- G02 - OPTICS
Information Patent Grant
Optical device having a carrier-depleted layer
- Patent number 6,911,713
- Issue date Jun 28, 2005
- The Furukawa Electric Co., Ltd.
- Nariaki Ikeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser device and laser module
- Patent number 6,829,277
- Issue date Dec 7, 2004
- The Furukawa Electric Co., Ltd.
- Ryosuke Yatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 6,810,063
- Issue date Oct 26, 2004
- The Furukawa Electric Co., Ltd.
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device having improved output power characteris...
- Patent number 6,782,022
- Issue date Aug 24, 2004
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 6,738,405
- Issue date May 18, 2004
- The Furukawa Electric Co., Ltd.
- Takeharu Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emitting semiconductor laser device and method for fabricat...
- Patent number 6,737,290
- Issue date May 18, 2004
- The Furukawa Electric Co., Ltd.
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide type semiconductor laser device
- Patent number 6,731,663
- Issue date May 4, 2004
- The Furukawa Electric Co., Ltd.
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain-coupled distributed-feedback semiconductor laser device
- Patent number 6,704,342
- Issue date Mar 9, 2004
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 6,690,701
- Issue date Feb 10, 2004
- The Furukawa Electric Co., Ltd.
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback type semiconductor laser device and method of...
- Patent number 6,674,783
- Issue date Jan 6, 2004
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 6,661,828
- Issue date Dec 9, 2003
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser device and multi-wavelengt...
- Patent number 6,643,315
- Issue date Nov 4, 2003
- The Furukawa Electric Co., Ltd.
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide semiconductor laser diode
- Patent number 6,618,417
- Issue date Sep 9, 2003
- The Furukawa Electric Co., Ltd.
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantum-confinement stark effect optical modulator
- Patent number 6,603,138
- Issue date Aug 5, 2003
- The Furukawa Electric Co., Ltd.
- Satoshi Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device having selective absorption qualities
- Patent number 6,580,740
- Issue date Jun 17, 2003
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide semiconductor laser diode
- Patent number 6,560,260
- Issue date May 6, 2003
- The Furukawa Electric Co., Ltd.
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device
- Patent number 6,545,296
- Issue date Apr 8, 2003
- The Furukawa Electric Co., Ltd.
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process of producing semiconductor layer structure
- Patent number 6,528,337
- Issue date Mar 4, 2003
- The Furukawa Electric Co., Ltd.
- Satoshi Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain-coupling distributed feedback type semiconductor laser device
- Patent number 6,493,369
- Issue date Dec 10, 2002
- The Furukawa Electrical Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser device
- Patent number 6,472,691
- Issue date Oct 29, 2002
- The Furukawa Electric Co., Ltd.
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
N-type modulation-doped multi quantum well semiconductor laser device
- Patent number 6,396,861
- Issue date May 28, 2002
- The Furukawa Electric Co., Ltd.
- Hitoshi Shimizu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical waveguide
- Patent number 6,281,523
- Issue date Aug 28, 2001
- The Furukawa Electric Co., Ltd.
- Norihiro Iwai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20160351392
- Publication date Dec 1, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki IWAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20160352075
- Publication date Dec 1, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki IWAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND PUMPING LIGHT SOURCE FOR OPTICAL F...
- Publication number 20130149804
- Publication date Jun 13, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Junji Yoshida
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...
- Publication number 20110261849
- Publication date Oct 27, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND PUMPING LIGHT SOURCE FOR OPTICAL F...
- Publication number 20110164641
- Publication date Jul 7, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Junji Yoshida
- B82 - NANO-TECHNOLOGY
Information Patent Application
NITRIDE BASED SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE...
- Publication number 20100051939
- Publication date Mar 4, 2010
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...
- Publication number 20090224240
- Publication date Sep 10, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Tatsuyuki Shinagawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Laser gyro and electronic device using the same
- Publication number 20070291273
- Publication date Dec 20, 2007
- Noriyuki Yokouchi
- G01 - MEASURING TESTING
Information Patent Application
Ridge waveguide semiconductor laser diode
- Publication number 20040105474
- Publication date Jun 3, 2004
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical device having a carrier-depleted layer
- Publication number 20040048406
- Publication date Mar 11, 2004
- THE FURUKAWA ELECTRIC CO., LTD.
- Nariaki Ikeda
- B82 - NANO-TECHNOLOGY
Information Patent Application
DFB laser assembly and laser module
- Publication number 20030063648
- Publication date Apr 3, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having selective absorption qualities ov...
- Publication number 20030047738
- Publication date Mar 13, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having improved output power characteris...
- Publication number 20030043878
- Publication date Mar 6, 2003
- The Furukawa Electric Co, Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback semiconductor laser device and laser module
- Publication number 20030039285
- Publication date Feb 27, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Ryosuke Yatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having selective absortion qualities
- Publication number 20030016720
- Publication date Jan 23, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface-emitting semiconductor laser device and method for fabricat...
- Publication number 20020197756
- Publication date Dec 26, 2002
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20020181525
- Publication date Dec 5, 2002
- THE FURUKAWA ELECTRIC CO., LTD.
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface emitting semiconductor laser device
- Publication number 20020167985
- Publication date Nov 14, 2002
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20020146050
- Publication date Oct 10, 2002
- The Furukawa Electric CO., LTD
- Norihiro Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device and method for fabricating same
- Publication number 20020136253
- Publication date Sep 26, 2002
- THE FURUKAWA ELECTRIC CO., LTD.
- Norihiro Iwai
- B82 - NANO-TECHNOLOGY
Information Patent Application
Vertical cavity surface emitting laser device and vertical cavity s...
- Publication number 20020110169
- Publication date Aug 15, 2002
- Norihiro Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of fabricating compound semiconductor device
- Publication number 20020043209
- Publication date Apr 18, 2002
- The Furukawa Electric CO., LTD
- Satoshi Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20020031152
- Publication date Mar 14, 2002
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface emitting semiconductor laser device
- Publication number 20020031154
- Publication date Mar 14, 2002
- Noriyuki Yokouchi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Ridge waveguide semiconductor laser diode
- Publication number 20020024984
- Publication date Feb 28, 2002
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device and method of fabricating same
- Publication number 20020012373
- Publication date Jan 31, 2002
- The Furukawa Electric CO., LTD
- Mikihiro Yokozeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback semiconductor laser device
- Publication number 20010048111
- Publication date Dec 6, 2001
- The Furukawa Electric CO., LTD
- Toshikazu Mukaihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gain-coupling distributed feedback type semiconductor laser device
- Publication number 20010046245
- Publication date Nov 29, 2001
- The Furukawa Electric CO., LTD
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20010038657
- Publication date Nov 8, 2001
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback semiconductor laser device and multi-wavelengt...
- Publication number 20010038659
- Publication date Nov 8, 2001
- THE FURUKAWA ELECTRONIC Co.Ltd.
- Akihiko Kasukawa
- H01 - BASIC ELECTRIC ELEMENTS

Akihiko Kasukawa

Person

Patents Grantslast 30 patents

Semiconductor device

Optical semiconductor device and pumping light source for optical f...

Nitride based semiconductor device and method of manufacturing the...

Semiconductor light emitting element and method of manufacturing th...

Laser gyro and electronic device using the same

DFB laser assembly and laser module

Ridge waveguide semiconductor laser diode

Semiconductor optical waveguide structure

Optical device having a carrier-depleted layer

Distributed feedback semiconductor laser device and laser module

Semiconductor laser device

Semiconductor laser device having improved output power characteris...

Semiconductor laser

Surface-emitting semiconductor laser device and method for fabricat...

Ridge waveguide type semiconductor laser device

Gain-coupled distributed-feedback semiconductor laser device

Semiconductor laser device

Distributed feedback type semiconductor laser device and method of...

Semiconductor laser device

Distributed feedback semiconductor laser device and multi-wavelengt...

Ridge waveguide semiconductor laser diode

Quantum-confinement stark effect optical modulator

Semiconductor laser device having selective absorption qualities

Ridge waveguide semiconductor laser diode

Semiconductor light emitting device

Process of producing semiconductor layer structure

Gain-coupling distributed feedback type semiconductor laser device

Distributed feedback semiconductor laser device

N-type modulation-doped multi quantum well semiconductor laser device

Semiconductor optical waveguide

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

SEMICONDUCTOR LASER DEVICE

OPTICAL SEMICONDUCTOR DEVICE AND PUMPING LIGHT SOURCE FOR OPTICAL F...

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...

OPTICAL SEMICONDUCTOR DEVICE AND PUMPING LIGHT SOURCE FOR OPTICAL F...

NITRIDE BASED SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE...

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...

Laser gyro and electronic device using the same

Ridge waveguide semiconductor laser diode

Optical device having a carrier-depleted layer

DFB laser assembly and laser module

Semiconductor laser device having selective absorption qualities ov...

Semiconductor laser device having improved output power characteris...

Distributed feedback semiconductor laser device and laser module

Semiconductor laser device having selective absortion qualities

Surface-emitting semiconductor laser device and method for fabricat...

Semiconductor laser device

Surface emitting semiconductor laser device

Semiconductor laser device

Semiconductor laser device and method for fabricating same

Vertical cavity surface emitting laser device and vertical cavity s...

Method of fabricating compound semiconductor device

Semiconductor laser device

Surface emitting semiconductor laser device

Ridge waveguide semiconductor laser diode

Semiconductor laser device and method of fabricating same

Distributed feedback semiconductor laser device

Gain-coupling distributed feedback type semiconductor laser device

Semiconductor laser device

Distributed feedback semiconductor laser device and multi-wavelengt...