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Tatsuhiko Matsuoka
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Ebina, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid cooling system for notebook computer
Patent number
6,791,834
Issue date
Sep 14, 2004
Hitachi, Ltd.
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Battery pack and an information processing device in which the batt...
Patent number
6,600,243
Issue date
Jul 29, 2003
Hitachi, Ltd.
Tsutomu Hara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Notebook computer having a liquid cooling device
Patent number
6,519,147
Issue date
Feb 11, 2003
Hitachi, Ltd.
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid cooling system for notebook computer
Patent number
6,519,148
Issue date
Feb 11, 2003
Hitachi, Ltd.
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable computer
Patent number
D435549
Issue date
Dec 26, 2000
Hitachi, Ltd.
Yoshiaki Amano
D14 - Recording, communication, or information retrieval equipment
Patents Applications
last 30 patents
Information
Patent Application
Liquid cooling system for notebook computer
Publication number
20030081380
Publication date
May 1, 2003
Hitachi, Ltd.
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Liquid cooling system for notebook computer
Publication number
20020101716
Publication date
Aug 1, 2002
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Notebook computer having a liquid cooling device
Publication number
20020075643
Publication date
Jun 20, 2002
Tsuyoshi Nakagawa
G06 - COMPUTING CALCULATING COUNTING