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Ryuichi Takahashi
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Tokyo, JP
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last 30 patents
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Patent Grant
Splashproof construction for portable type electronic device
Patent number
5,665,485
Issue date
Sep 9, 1997
Kokusai Electric Co., Ltd.
Tatsuo Kuwayama
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
System for retrieving token having a selected nest level and satisf...
Patent number
5,293,634
Issue date
Mar 8, 1994
NEC Corporation
Kousuke Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE