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Oscillation circuit
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Patent number 5,712,601
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Issue date Jan 27, 1998
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Rohm Co. Ltd.
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Yoshikazu Shimada
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H03 - BASIC ELECTRONIC CIRCUITRY
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FM signal processor
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Patent number 5,604,808
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Issue date Feb 18, 1997
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Rohm Co., Ltd.
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Isoshi Takeda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Phase shifting circuit
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Patent number 5,543,742
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Issue date Aug 6, 1996
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Rohm Co., Ltd.
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Isoshi Takeda
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H03 - BASIC ELECTRONIC CIRCUITRY
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