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Yoshitsugu Koyama

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  • Shiga, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER CONVERSION DEVICE AND REFRIGERATION APPARATUS
    • Publication number 20240356432
    • Publication date Oct 24, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Yoshitsugu KOYAMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    NOISE REDUCTION CIRCUIT, POWER CONVERSION DEVICE, AND REFRIGERATION...
    • Publication number 20240243730
    • Publication date Jul 18, 2024
    • Daikin Industries, Ltd.
    • Kodai OKUZONO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    NOISE REDUCTION CIRCUITRY, LOAD SYSTEM AND POWER CONVERSION DEVICE
    • Publication number 20240204651
    • Publication date Jun 20, 2024
    • Daikin Industries, Ltd.
    • Kodai OKUZONO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HEAT EXCHANGE UNIT
    • Publication number 20210095871
    • Publication date Apr 1, 2021
    • DAIKIN INDUSTRIES, LTD.
    • Hiroshi FUCHIKAMI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    INVERTER DEVICE
    • Publication number 20180191240
    • Publication date Jul 5, 2018
    • DAIKIN INDUSTRIES, LTD.
    • Hirotaka DOI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ELECTRONIC CIRCUIT APPARATUS
    • Publication number 20150245490
    • Publication date Aug 27, 2015
    • DAIKIN INDUSTRIES, LTD.
    • Rei Kondou
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20110072833
    • Publication date Mar 31, 2011
    • Yoshitsugu Koyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Power Converter
    • Publication number 20080284367
    • Publication date Nov 20, 2008
    • Daikin Industries, Ltd.
    • Reiji Kawashima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER