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Takao KOYAMA

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRASONIC INSPECTION DEVICE
    • Publication number 20240085380
    • Publication date Mar 14, 2024
    • Yamaha Fine Technologies Co., Ltd.
    • Akihiro NARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ULTRASONIC INSPECTION DEVICE
    • Publication number 20240068992
    • Publication date Feb 29, 2024
    • Yamaha Fine Technologies Co., Ltd.
    • Akihiro NARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    VIBRATORY STRUCTURE
    • Publication number 20180202512
    • Publication date Jul 19, 2018
    • Yamaha Corporation
    • Takao KOYAMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRONIC KEYBOARD MUSICAL INSTRUMENT
    • Publication number 20140298976
    • Publication date Oct 9, 2014
    • Yamaha Corporation
    • Takashi KATO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS