Patents by Inventor Masanari UMEMURA

Masanari UMEMURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POWER SUPPLY APPARATUS AND MAGNETIC FIELD GENERATION SYSTEM
    Publication number: 20230355967
    Abstract: A power supply apparatus includes a power supply configured to apply an alternating current to a magnetic field generation apparatus; and a controller configured to control the alternating current applied by the power supply. The controller controls the power supply to apply the alternating current having a waveform pattern including a plurality of current waveforms having different frequency spectrums from each other.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 9, 2023
    Applicants: Ricoh Company, Ltd., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY
    Inventors: Kazuhito KISHI, Masami Takai, Motokazu Hasegawa, Masataka Akaishi, Masanari Umemura, Yoshihiro Ishikawa, Taisuke Akimoto
  • Power supply apparatus and magnetic field generation system
    Patent number: 11730956
    Abstract: A power supply apparatus includes a power supply configured to apply an alternating current to a magnetic field generation apparatus; and a controller configured to control the alternating current applied by the power supply. The controller controls the power supply to apply the alternating current having a waveform pattern including a plurality of current waveforms having different frequency spectrums from each other.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: August 22, 2023
    Assignees: Ricoh Company, Ltd., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY
    Inventors: Kazuhito Kishi, Masami Takai, Motokazu Hasegawa, Masataka Akaishi, Masanari Umemura, Yoshihiro Ishikawa, Taisuke Akimoto
  • CANCER TREATMENT APPARATUS
    Publication number: 20220314016
    Abstract: A cancer treatment apparatus including a magnetic field generator that generates a magnetic field of 100 kHz to 300 kHz to be applied to affected tissues.
    Type: Application
    Filed: June 9, 2022
    Publication date: October 6, 2022
    Inventors: Yoshihiro ISHIKAWA, Masanari UMEMURA, Taisuke AKIMOTO
  • Cancer treatment apparatus
    Patent number: 11383094
    Abstract: A cancer treatment apparatus including a magnetic field generator that generates a magnetic field of 100 kHz to 300 kHz to be applied to affected tissues.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: July 12, 2022
    Assignee: Public University Corporation Yokohama City University
    Inventors: Yoshihiro Ishikawa, Masanari Umemura, Taisuke Akimoto
  • POWER SUPPLY APPARATUS AND MAGNETIC FIELD GENERATION SYSTEM
    Publication number: 20190358448
    Abstract: A power supply apparatus includes a power supply configured to apply an alternating current to a magnetic field generation apparatus; and a controller configured to control the alternating current applied by the power supply. The controller controls the power supply to apply the alternating current having a waveform pattern including a plurality of current waveforms having different frequency spectrums from each other.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 28, 2019
    Applicants: Ricoh Company, Ltd., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY
    Inventors: Kazuhito Kishi, Masami Takai, Motokazu Hasegawa, Masataka Akaishi, Masanari Umemura, Yoshihiro Ishikawa, Taisuke Akimoto
  • CANCER TREATMENT APPARATUS
    Publication number: 20190351250
    Abstract: A cancer treatment apparatus including a magnetic field generator that generates a magnetic field of 100 kHz to 300 kHz to be applied to affected tissues.
    Type: Application
    Filed: November 22, 2017
    Publication date: November 21, 2019
    Inventors: Yoshihiro ISHIKAWA, Masanari UMEMURA, Taisuke AKIMOTO