TREA

Keiichi Fujii

Follow

Person

  • Shiga, JP
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    BATTERY PACK MANAGEMENT SYSTEM AND BATTERY PACK MANAGEMENT METHOD
    • Publication number 20240426929
    • Publication date Dec 26, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Misaki MITSUOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY PACK AND BATTERY PACK MANAGEMENT SYSTEM
    • Publication number 20240429476
    • Publication date Dec 26, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Naoto AKUTSU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY MONITORING DEVICE
    • Publication number 20240418794
    • Publication date Dec 19, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Tomohiro OKACHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    BATTERY PACK
    • Publication number 20240410955
    • Publication date Dec 12, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Susumu YOSHIKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY ANOMALY DETECTION DEVICE AND BATTERY ANOMALY DETECTION METHOD
    • Publication number 20240110992
    • Publication date Apr 4, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Akira KAWABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    BATTERY STATE ESTIMATION DEVICE, BATTERY STATE ESTIMATION SYSTEM, A...
    • Publication number 20240094303
    • Publication date Mar 21, 2024
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Keiichi FUJII
    • G01 - MEASURING TESTING
  • Information Patent Application

    BATTERY MANAGEMENT CIRCUIT, BATTERY MANAGEMENT SYSTEM, AND BATTERY...
    • Publication number 20220120817
    • Publication date Apr 21, 2022
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Yu OKADA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    INTEGRATED CIRCUIT, BATTERY MONITORING DEVICE, AND BATTERY MONITORI...
    • Publication number 20210109162
    • Publication date Apr 15, 2021
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Kazuo MATSUKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY MONITORING DEVICE, INTEGRATED CIRCUIT, AND BATTERY MONITORI...
    • Publication number 20210109160
    • Publication date Apr 15, 2021
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Kazuo MATSUKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BIDIRECTIONAL LEVEL SHIFT CIRCUIT AND BIDIRECTIONAL BUS SYSTEM
    • Publication number 20080218213
    • Publication date Sep 11, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hitoshi Kobayashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR INTEGRATED CIRCUIT
    • Publication number 20080122522
    • Publication date May 29, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Toshinobu Nagasawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Semiconductor integrated circuit
    • Publication number 20070126496
    • Publication date Jun 7, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Akihiro Kawamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CMOS amplifier
    • Publication number 20070096819
    • Publication date May 3, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Makoto Yamamoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Semiconductor integrated circuit
    • Publication number 20070024347
    • Publication date Feb 1, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Toshinobu Nagasawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charge pump circuit
    • Publication number 20070013448
    • Publication date Jan 18, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Azuhata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Muting circuit and semiconductor integrated circuit
    • Publication number 20070009110
    • Publication date Jan 11, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Yasunobu Kakumoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BTL amplifier
    • Publication number 20060097785
    • Publication date May 11, 2006
    • Makoto Yamamoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Speaker driving device and audio output system
    • Publication number 20060093153
    • Publication date May 4, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Makoto Yamamoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Step-down voltage output circuit
    • Publication number 20060082409
    • Publication date Apr 20, 2006
    • Taku Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Semiconductor integrated circuit
    • Publication number 20060072696
    • Publication date Apr 6, 2006
    • Taku Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Audio signal amplifier and audio apparatus having the same
    • Publication number 20050047615
    • Publication date Mar 3, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Akihiro Kawamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Step-down voltage output circuit
    • Publication number 20050046464
    • Publication date Mar 3, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Taku Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AGC circuit
    • Publication number 20050030099
    • Publication date Feb 10, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Takuma Ishida
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Analog signal level detecting apparatus
    • Publication number 20040183709
    • Publication date Sep 23, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Taku Kobayashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AGC circuit
    • Publication number 20040178851
    • Publication date Sep 16, 2004
    • Takuma Ishida
    • H03 - BASIC ELECTRONIC CIRCUITRY