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Akihisa Kawamura

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LOUDSPEAKER DEVICE
    • Publication number 20250071456
    • Publication date Feb 27, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Minami NAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC LENS AND LOUDSPEAKER SYSTEM
    • Publication number 20250063297
    • Publication date Feb 20, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Kota NAKAHASHI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACOUSTIC LENS AND LOUDSPEAKER SYSTEM
    • Publication number 20250056155
    • Publication date Feb 13, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Kota NAKAHASHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC DEVICE
    • Publication number 20240147154
    • Publication date May 2, 2024
    • Panasonic Intellectual Property Corporation of America
    • Akihisa KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER DEVICE
    • Publication number 20230412971
    • Publication date Dec 21, 2023
    • Panasonic Intellectual Property Corporation of America
    • Akihisa KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO DEVICE
    • Publication number 20230269527
    • Publication date Aug 24, 2023
    • Panasonic Intellectual Property Corporation of America
    • Akihisa KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER DEVICE
    • Publication number 20230199390
    • Publication date Jun 22, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Nobuhiko WASHIO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    BUILDING MATERIAL
    • Publication number 20220248114
    • Publication date Aug 4, 2022
    • Panasonic Intellectual Property Management Co., Ltd.
    • Akihisa KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIRECTION OF ARRIVAL ESTIMATION DEVICE, SYSTEM, AND DIRECTION OF AR...
    • Publication number 20220120839
    • Publication date Apr 21, 2022
    • Panasonic Intellectual Property Corporation of America
    • Rohith MARS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OBJECT EXTRACTION DEVICE AND ACOUSTIC OBJECT EXTRACTION ME...
    • Publication number 20210183356
    • Publication date Jun 17, 2021
    • Panasonic Intellectual Property Corporation of America
    • Rohith MARS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CODING APPARATUS AND CODING METHOD
    • Publication number 20200294512
    • Publication date Sep 17, 2020
    • Panasonic Intellectual Property Corporation of America
    • HIROYUKI EHARA
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20180279039
    • Publication date Sep 27, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • TOSHIYUKI MATSUMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20180249243
    • Publication date Aug 30, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • KAZUKI HONDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20180242061
    • Publication date Aug 23, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • KAZUKI HONDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SIGNAL PROCESSING METHOD AND SPEAKER SYSTEM
    • Publication number 20170064448
    • Publication date Mar 2, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • AKIHISA KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20170064421
    • Publication date Mar 2, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • TOSHIYUKI MATSUMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    STREAM REPRODUCTION DEVICE AND STREAM SUPPLY DEVICE
    • Publication number 20100292820
    • Publication date Nov 18, 2010
    • PANASONIC CORPORATION
    • HIROSHI YAHATA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO DECODER
    • Publication number 20100235171
    • Publication date Sep 16, 2010
    • Yosiaki Takagi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    AUDIO SIGNAL CODING METHOD AND DECODING METHOD
    • Publication number 20100042415
    • Publication date Feb 18, 2010
    • Mineo Tsushima
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTI-CHANNEL ACOUSTIC SIGNAL PROCESSING DEVICE
    • Publication number 20090262949
    • Publication date Oct 22, 2009
    • Yoshiaki Takagi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACOUSTIC SIGNAL PROCESSING APPARATUS AND ACOUSTIC SIGNAL PROCESSING...
    • Publication number 20090240503
    • Publication date Sep 24, 2009
    • Shuji Miyasaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ENERGY SHAPING APPARATUS AND ENERGY SHAPING METHOD
    • Publication number 20090234657
    • Publication date Sep 17, 2009
    • Yoshiaki Takagi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SIGNAL PROCESSING DEVICE
    • Publication number 20090122182
    • Publication date May 14, 2009
    • Shuji Miyasaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Stream Reproduction Device and Stream Supply Device
    • Publication number 20070225840
    • Publication date Sep 27, 2007
    • Hiroshi Yahata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiving apparatus, sending apparatus and transmission system
    • Publication number 20060288851
    • Publication date Dec 28, 2006
    • Akihisa Kawamura
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Transmission method, transmission system, sending device and recept...
    • Publication number 20060285012
    • Publication date Dec 21, 2006
    • SONY CORPORATION
    • Naoki Ejima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Error-correction coding method, error-correction decoding method, e...
    • Publication number 20060107183
    • Publication date May 18, 2006
    • Naoki Ejima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Error correction encoding method, error correction decoding method,...
    • Publication number 20040153933
    • Publication date Aug 5, 2004
    • Naoki Ejima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Data transmitting method, data receiving method, data transmitting...
    • Publication number 20040095509
    • Publication date May 20, 2004
    • Hiroshige Okamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Apparatus and Method for Audio Data/Audio-Related Information Transfer
    • Publication number 20030171935
    • Publication date Sep 11, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Akihisa KAWAMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE