Hideo Sotokawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device and manufacturing method thereof
- Patent number 7,613,080
- Issue date Nov 3, 2009
- Hitachi Media Electronics Co., Ltd.
- Yoshio Oozeki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive apparatus having a flexible substrate and wiring...
- Patent number 7,475,412
- Issue date Jan 6, 2009
- Hitachi Media Electronics Co., Ltd.
- Satoshi Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Anodic bonding method and electronic device having anodic bonding s...
- Patent number 7,153,758
- Issue date Dec 26, 2006
- Hitachi, Ltd.
- Shohei Hata
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical module and method for manufacturing optical module
- Patent number 6,937,406
- Issue date Aug 30, 2005
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Optical transmission module and optical communication system using...
- Patent number 6,813,419
- Issue date Nov 2, 2004
- Hitachi, Ltd.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Electronic device and optical transmission module
- Patent number 6,635,971
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Toyoki Asada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical module
- Patent number 6,554,491
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Hideo Sotokawa
- G02 - OPTICS
Information Patent Grant
Circuit board and method of manufacturing the same
- Patent number 5,958,600
- Issue date Sep 28, 1999
- Hitachi, Ltd.
- Hideo Sotokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer substrates methods for manufacturing multilayer substrat...
- Patent number 5,939,789
- Issue date Aug 17, 1999
- Hitachi, Ltd.
- Michifumi Kawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metalization structure and manufacturing method thereof
- Patent number 5,868,949
- Issue date Feb 9, 1999
- Hitachi, Ltd.
- Hideo Sotokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wiring structures and method of manufacturing the same
- Patent number 5,753,372
- Issue date May 19, 1998
- Hitachi, Ltd.
- Hideo Sotokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polyimide precursor, polyimide and metalization structure using sai...
- Patent number 5,536,584
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Hideo Sotokawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyimide precursor, cured product thereof, and processes for produ...
- Patent number 5,272,247
- Issue date Dec 21, 1993
- Hitachi, Ltd.
- Hideo Sotokawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Electronic Apparatus Applied Anodic Bonding
- Publication number 20080128839
- Publication date Jun 5, 2008
- Hideo Sotokawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Optical disk drive apparatus
- Publication number 20060161940
- Publication date Jul 20, 2006
- Satoshi Arai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup device and manufacturing method thereof
- Publication number 20060062139
- Publication date Mar 23, 2006
- Yoshio Oozeki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical module and method for manufacturing optical module
- Publication number 20040240087
- Publication date Dec 2, 2004
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Anodic bonding method and electronic device having anodic bonding s...
- Publication number 20040197949
- Publication date Oct 7, 2004
- Shohei Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic device and optical transmission module
- Publication number 20020090162
- Publication date Jul 11, 2002
- Toyoki Asada
- G02 - OPTICS
Information Patent Application
Optical transmission module and optical communication system using...
- Publication number 20020054738
- Publication date May 9, 2002
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Optical module
- Publication number 20010043783
- Publication date Nov 22, 2001
- Hitachi, Ltd.
- Hideo Sotokawa
- G02 - OPTICS

Hideo Sotokawa

Person

Patents Grantslast 30 patents

Optical pickup device and manufacturing method thereof

Optical disk drive apparatus having a flexible substrate and wiring...

Anodic bonding method and electronic device having anodic bonding s...

Optical module and method for manufacturing optical module

Optical transmission module and optical communication system using...

Electronic device and optical transmission module

Optical module

Circuit board and method of manufacturing the same

Multilayer substrates methods for manufacturing multilayer substrat...

Metalization structure and manufacturing method thereof

Wiring structures and method of manufacturing the same

Polyimide precursor, polyimide and metalization structure using sai...

Polyimide precursor, cured product thereof, and processes for produ...

Patents Applicationslast 30 patents

Electronic Apparatus Applied Anodic Bonding

Optical disk drive apparatus

Optical pickup device and manufacturing method thereof

Optical module and method for manufacturing optical module

Anodic bonding method and electronic device having anodic bonding s...

Electronic device and optical transmission module

Optical transmission module and optical communication system using...

Optical module