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Ryuji Yamamoto

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER SUPPLY CIRCUIT
    • Publication number 20100289464
    • Publication date Nov 18, 2010
    • Sanyo Electric Co., Ltd.
    • Ryuji Yamamoto
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    SEMICONDUCTOR CIRCUIT
    • Publication number 20100066330
    • Publication date Mar 18, 2010
    • Sanyo Electric Co., Ltd.
    • Ryuji Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER SUPPLY CIRCUIT
    • Publication number 20100045252
    • Publication date Feb 25, 2010
    • Sanyo Electric Co., Ltd.
    • Ryuji Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Voltage regulator
    • Publication number 20080042635
    • Publication date Feb 21, 2008
    • Sanyo Electric Co., Ltd.
    • Ryuji Yamamoto
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Power circuit applying AC voltage and DC voltage to respective term...
    • Publication number 20050146225
    • Publication date Jul 7, 2005
    • Ryuji Yamamoto
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Power circuit applying AC voltage and DC voltage to respective term...
    • Publication number 20050135131
    • Publication date Jun 23, 2005
    • Ryuji Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER