Masahiko Usui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Operation processor
- Patent number 8,649,173
- Issue date Feb 11, 2014
- Hitachi, Ltd.
- Shotaro Kimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cooling structure for electronic equipment
- Patent number 8,564,957
- Issue date Oct 22, 2013
- Hitachi, Ltd.
- Masahiko Usui
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Silencing equipment for electric devices
- Patent number 8,485,310
- Issue date Jul 16, 2013
- Hitachi, Ltd.
- Yosuke Tanabe
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
OPERATION PROCESSOR
- Publication number 20110299240
- Publication date Dec 8, 2011
- Hitachi, Ltd.
- Shotaro Kimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COOLING STRUCTURE FOR ELECTRONIC EQUIPMENT
- Publication number 20110228485
- Publication date Sep 22, 2011
- Hitachi, Ltd
- Masahiko USUI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SILENCING EQUIPMENT FOR ELECTRIC DEVICES
- Publication number 20110155504
- Publication date Jun 30, 2011
- Hitachi, Ltd.
- YOSUKE TANABE
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SILENCING EQUIPMENT FOR ELECTRIC DEVICES
- Publication number 20100078258
- Publication date Apr 1, 2010
- Hitachi, Ltd.
- Yosuke TANABE
- G10 - MUSICAL INSTRUMENTS ACOUSTICS