Patents by Inventor Yasuyuki Matsumaru

Yasuyuki Matsumaru 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).

  • Plasma generating apparatus and on-liquid melting method
    Patent number: 9474142
    Abstract: A plasma generating apparatus includes: a DC power source; a toroidal core oscillation circuit including a first choke coil connected to the DC power source, a first capacitor connected to the first choke coil, and a first switching element and second choke coil connected to the first capacitor; a toroidal core resonance circuit including a third choke coil connected to the second choke coil; and a pair of electrodes connected to the third choke coil.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: October 18, 2016
    Assignee: PLUSWARE CORPORATION
    Inventor: Yasuyuki Matsumaru
  • PLASMA GENERATING APPARATUS AND ON-LIQUID MELTING METHOD
    Publication number: 20160157331
    Abstract: A plasma generating apparatus includes: a DC power source; a toroidal core oscillation circuit including a first choke coil connected to the DC power source, a first capacitor connected to the first choke coil, and a first switching element and second choke coil connected to the first capacitor; a toroidal core resonance circuit including a third choke coil connected to the second choke coil; and a pair of electrodes connected to the third choke coil.
    Type: Application
    Filed: January 28, 2016
    Publication date: June 2, 2016
    Inventor: Yasuyuki Matsumaru