Kazuyuki Fukuda

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Objective lens with elastic support structure
- Patent number 7,552,455
- Issue date Jun 23, 2009
- Hitachi Media Electronics Co., Ltd.
- Katsuhiko Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device, optical pickup and optical disk apparatus
- Patent number 7,400,568
- Issue date Jul 15, 2008
- Hitachi, Ltd.
- Seiichi Katou
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical switch and optical switch system
- Patent number 7,233,715
- Issue date Jun 19, 2007
- Hitachi, Ltd.
- Atsushi Kazama
- G02 - OPTICS
Information Patent Grant
Beam direction module and optical switch using the same
- Patent number 7,184,619
- Issue date Feb 27, 2007
- Hitachi, Ltd.
- Atsushi Kazama
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 7,165,898
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Takeshil Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical coupling apparatus
- Patent number 7,011,457
- Issue date Mar 14, 2006
- OpNext Japan, Inc.
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Optical transmitter module
- Patent number 6,931,215
- Issue date Aug 16, 2005
- Hitachi, Ltd.
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Optical coupling apparatus
- Patent number 6,821,030
- Issue date Nov 23, 2004
- OpNext Japan, Inc.
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,726,375
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Takeshil Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication equipment and optical communication network e...
- Patent number 6,721,511
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,457,877
- Issue date Oct 1, 2002
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS
Information Patent Grant
Semiconductor laser coupling device and method for assembling the s...
- Patent number 6,332,720
- Issue date Dec 25, 2001
- Hitachi, Ltd.
- Makoto Shimaoka
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,282,352
- Issue date Aug 28, 2001
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,220,764
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Grant
Optical semiconductor array module, method of fabricating the modul...
- Patent number 5,675,685
- Issue date Oct 7, 1997
- Hitachi Ltd.
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Connecting structure of optical fiber to optical waveguide
- Patent number 5,671,316
- Issue date Sep 23, 1997
- Hitachi Cable, Ltd.
- Toshiya Yuhara
- G02 - OPTICS
Information Patent Grant
Semiconductor laser module with lens holder compensating for therma...
- Patent number 5,315,609
- Issue date May 24, 1994
- Hitachi, Ltd.
- Tsuyoshi Tanaka
- G02 - OPTICS
Information Patent Grant
Opto-electronic device and method for producing the device
- Patent number 4,880,290
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Tetsuo Kumazawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20080087802
- Publication date Apr 17, 2008
- YOSHIO OZEKI
- G02 - OPTICS
Information Patent Application
Optical pickup
- Publication number 20060242660
- Publication date Oct 26, 2006
- Katsuhiko Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical coupling apparatus
- Publication number 20050063649
- Publication date Mar 24, 2005
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Application
Beam direction module and optical switch using the same
- Publication number 20050013534
- Publication date Jan 20, 2005
- Atsushi Kazama
- G02 - OPTICS
Information Patent Application
Optical switch and optical switch system
- Publication number 20040184718
- Publication date Sep 23, 2004
- Atsushi Kazama
- G02 - OPTICS
Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20040165840
- Publication date Aug 26, 2004
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Application
Optical device, optical pickup and optical disk apparatus
- Publication number 20040105378
- Publication date Jun 3, 2004
- Seiichi Katou
- G11 - INFORMATION STORAGE
Information Patent Application
Optical coupling apparatus
- Publication number 20030174976
- Publication date Sep 18, 2003
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20020197026
- Publication date Dec 26, 2002
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS
Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20010009599
- Publication date Jul 26, 2001
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS

Kazuyuki Fukuda

Person

Patents Grantslast 30 patents

Objective lens with elastic support structure

Optical device, optical pickup and optical disk apparatus

Optical switch and optical switch system

Beam direction module and optical switch using the same

Optical module, method for manufacturing optical module and optical...

Optical coupling apparatus

Optical transmitter module

Optical coupling apparatus

Optical module, method for manufacturing optical module and optical...

Optical communication equipment and optical communication network e...

Optical module, method for manufacturing optical module and optical...

Semiconductor laser coupling device and method for assembling the s...

Optical module, method for manufacturing optical module and optical...

Optical module, method for manufacturing optical module and optical...

Optical semiconductor array module, method of fabricating the modul...

Connecting structure of optical fiber to optical waveguide

Semiconductor laser module with lens holder compensating for therma...

Opto-electronic device and method for producing the device

Patents Applicationslast 30 patents

OPTICAL PICKUP DEVICE

Optical pickup

Optical coupling apparatus

Beam direction module and optical switch using the same

Optical switch and optical switch system

Optical module, method for manufacturing optical module and optical...

Optical device, optical pickup and optical disk apparatus

Optical coupling apparatus

Optical module, method for manufacturing optical module and optical...

Optical module, method for manufacturing optical module and optical...