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Shigefumi Odaohara
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Yamato, JP
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Patents Grants
last 30 patents
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Patent Grant
Electronic apparatus having a power supply unit that can switch bet...
Patent number
5,969,438
Issue date
Oct 19, 1999
International Business Machines Corporation
Shigefumi Odaohara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery connecting device for a computer system and a method of swi...
Patent number
5,784,626
Issue date
Jul 21, 1998
International Business Machines
Shigefumi Odaohara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charge requesting battery pack and charge-request controlled charger
Patent number
5,666,039
Issue date
Sep 9, 1997
International Business Machines Corporation
Shigefumi Odaohara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Communication apparatus with cross-talk protection
Patent number
5,375,166
Issue date
Dec 20, 1994
International Business Machines Corporation
Shigefumi Odaohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE