Hiroaki Wakamatsu

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel cell
- Patent number 8,304,132
- Issue date Nov 6, 2012
- Kabushiki Kaisha Toshiba
- Hisashi Chigusa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Magnetic recording/reproducing apparatus with a current supplying c...
- Patent number 6,038,093
- Issue date Mar 14, 2000
- Fujitsu Limited
- Noboru Takada
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk unit and portable electronic equipment
- Patent number 6,011,666
- Issue date Jan 4, 2000
- Fujitsu Limited
- Hiroaki Wakamatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing apparatus and method for supplying a...
- Patent number 5,963,385
- Issue date Oct 5, 1999
- Fujitsu Limited
- Noboru Takada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic disc device
- Patent number 5,914,168
- Issue date Jun 22, 1999
- Fujitsu Limited
- Hiroaki Wakamatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for evaluating magnetic recording medium
- Patent number 5,824,920
- Issue date Oct 20, 1998
- Fujitsu Limited
- Masaharu Sugimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having bypass magnetic path and set magnetic reluctan...
- Patent number 5,726,839
- Issue date Mar 10, 1998
- Fujitsu Limited
- Masayoshi Shinohara
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium having a soft magnetic unde...
- Patent number 5,589,262
- Issue date Dec 31, 1996
- Fujitsu Limited
- Katsumi Kiuchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium and manufacturing method thereof
- Patent number 5,047,297
- Issue date Sep 10, 1991
- Fujitsu Limited
- Hiroaki Wakamatsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
FUEL CELL
- Publication number 20110275001
- Publication date Nov 10, 2011
- Hisashi Chigusa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Hiroaki Wakamatsu

Person

Patents Grantslast 30 patents

Fuel cell

Magnetic recording/reproducing apparatus with a current supplying c...

Disk unit and portable electronic equipment

Magnetic recording/reproducing apparatus and method for supplying a...

Magnetic recording medium and magnetic disc device

Apparatus for evaluating magnetic recording medium

Magnetic head having bypass magnetic path and set magnetic reluctan...

Perpendicular magnetic recording medium having a soft magnetic unde...

Magnetic recording medium and manufacturing method thereof

Patents Applicationslast 30 patents

FUEL CELL