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High-frequency amplifier
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Patent number 12,199,572
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Issue date Jan 14, 2025
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H03 - BASIC ELECTRONIC CIRCUITRY
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High frequency amplifier
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Patent number 12,176,860
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Issue date Dec 24, 2024
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H03 - BASIC ELECTRONIC CIRCUITRY
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Amplifier circuit
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Patent number 12,051,998
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Issue date Jul 30, 2024
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H03 - BASIC ELECTRONIC CIRCUITRY
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High frequency amplifier
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Patent number 11,916,519
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Issue date Feb 27, 2024
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H03 - BASIC ELECTRONIC CIRCUITRY
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Bias circuit
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Patent number 11,444,575
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Issue date Sep 13, 2022
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Sumitomo Electric Industries, Ltd.
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Hideki Tango
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H03 - BASIC ELECTRONIC CIRCUITRY
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Multistage amplifier
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Patent number 11,152,900
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Issue date Oct 19, 2021
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H03 - BASIC ELECTRONIC CIRCUITRY
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Bias circuit
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Patent number 10,924,064
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Issue date Feb 16, 2021
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Sumitomo Electric Industries, Ltd.
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Hideki Tango
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H03 - BASIC ELECTRONIC CIRCUITRY
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Field-effect transistor
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Patent number 6,333,523
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Issue date Dec 25, 2001
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Sumitomo Electric Industries, Ltd.
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Ryoji Sakamoto
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H01 - BASIC ELECTRIC ELEMENTS
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Power amplifying module
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Patent number 5,835,352
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Issue date Nov 10, 1998
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Sumitomo Electric Industries, Ltd.
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Ken-ichiro Matsuzaki
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H01 - BASIC ELECTRIC ELEMENTS
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Power amplifying module
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Patent number 5,754,402
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Issue date May 19, 1998
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Sumitomo Electric Industries, Ltd.
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Ken-ichiro Matsuzaki
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device storage jig
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Patent number 5,245,276
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Issue date Sep 14, 1993
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Sumitomo Electric Industries, Ltd.
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Tatsuya Hashinaga
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H01 - BASIC ELECTRIC ELEMENTS