Patents by Inventor Eduardo Kazuhide Sato

Eduardo Kazuhide Sato 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 CONVERSION DEVICE
    Publication number: 20110051478
    Abstract: A three-level PWM converter (3) includes first to third fuses (F1R to F3R) having one terminals connected to a DC positive bus (13), a DC negative bus (14) and a DC neutral point bus (15), respectively, first and second IGBT elements (Q1R, Q2R) connected between respective ones of the other terminals of the first and second fuses (F1R, F2R) and an AC line (RL), an AC switch (Q3R, Q4R, D3R, D4R) connected between the AC line (RL) and the other terminal of the third fuse (F3R), first and second diodes (D1R, D2R) connected in anti-parallel to the first and second IGBT elements (Q1R, Q2R) respectively, a first capacitor (C1R) connected between the other terminals of the first and third fuses (F1R, F3R), and a second capacitor (C2R) connected between the other terminals of the second and third fuses (F2R, F3R).
    Type: Application
    Filed: February 20, 2009
    Publication date: March 3, 2011
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.
    Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh