Wataru Ishikawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polarization analyzer
- Patent number 7,265,834
- Issue date Sep 4, 2007
- Autocloning Technology Ltd.
- Shojiro Kawakami
- G02 - OPTICS
Information Patent Grant
Integrated optical element
- Patent number 7,136,217
- Issue date Nov 14, 2006
- Shojiro Kawakami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic head device having a core recess set to a predet...
- Patent number 5,469,312
- Issue date Nov 21, 1995
- Sony Corporation
- Takashi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual thin-film magnetic head with side surface terminals
- Patent number 5,293,288
- Issue date Mar 8, 1994
- Sony Corporation
- Wataru Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with shaped magnetic layer
- Patent number 5,198,949
- Issue date Mar 30, 1993
- Sony Corporation
- Hiroaki Narisawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermal head
- Patent number 4,841,120
- Issue date Jun 20, 1989
- Sony Corporation
- Masamori Yagino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Soft magnetic thin film
- Patent number 4,748,000
- Issue date May 31, 1988
- Sony Corporation
- Kazuhiko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic composite film
- Patent number 4,707,417
- Issue date Nov 17, 1987
- Sony Corporation
- Masatoshi Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic material having high permeability in the high frequency range
- Patent number 4,640,871
- Issue date Feb 3, 1987
- Sony Corporation
- Kazuhiko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Polarization analyzer
- Publication number 20060126066
- Publication date Jun 15, 2006
- Shojiro Kawakami
- G02 - OPTICS
Information Patent Application
Integrated optical element
- Publication number 20040080808
- Publication date Apr 29, 2004
- Shojiro Kawakami
- G02 - OPTICS

Wataru Ishikawa

Person

Patents Grantslast 30 patents

Polarization analyzer

Integrated optical element

Thin film magnetic head device having a core recess set to a predet...

Dual thin-film magnetic head with side surface terminals

Thin film magnetic head with shaped magnetic layer

Thermal head

Soft magnetic thin film

Magnetic composite film

Magnetic material having high permeability in the high frequency range

Patents Applicationslast 30 patents

Polarization analyzer

Integrated optical element