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Variable gain type amplifier
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Patent number 6,518,843
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Issue date Feb 11, 2003
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NEC Compound Semiconductor Devices Ltd.
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Masanori Fujita
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H03 - BASIC ELECTRONIC CIRCUITRY
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Instant photocopying apparatus
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Patent number 5,367,357
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Issue date Nov 22, 1994
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Seikosha Co., Ltd.
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Hiroshi Sudo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Instant photocopying apparatus
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Patent number 5,164,763
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Issue date Nov 17, 1992
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Seikosha Co., Ltd.
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Fujita Masanori
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Display driving device
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Patent number 4,429,304
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Issue date Jan 31, 1984
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Seikosha Co., Ltd.
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Masanori Fujita
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Electronic timer
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Patent number 4,407,587
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Issue date Oct 4, 1983
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Seikosha Co., Ltd.
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Masanori Fujita
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,382,697
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Issue date May 10, 1983
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Seikosha Co., Ltd.
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Masanori Fujita
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,279,029
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Issue date Jul 14, 1981
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Kabushiki Kaisha Seikosha
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Hajime Oda
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G04 - HOROLOGY
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Alarm timepiece
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Patent number 4,244,042
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Issue date Jan 6, 1981
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Kabushiki Kaisha Seikosha
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Toshihide Samejima
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G04 - HOROLOGY
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