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Shutoku Watanabe
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Ashiya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display device for information signals
Patent number
5,907,364
Issue date
May 25, 1999
Hitachi, Ltd.
Takashi Furuhata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Channel selection apparatus for television receiver
Patent number
4,328,517
Issue date
May 4, 1982
Hitachi, Ltd.
Shutoku Watanabe
H03 - BASIC ELECTRONIC CIRCUITRY
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Patent Grant
Automatic brightness limiter circuit
Patent number
4,121,252
Issue date
Oct 17, 1978
Hitachi, Ltd.
Yukimi Saiki
B82 - NANO-TECHNOLOGY