Patents by Inventor Noboru Ikoma

Noboru Ikoma 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).

  • Alternator with vacuum pump
    Patent number: 4486668
    Abstract: A vacuum pump is attached to a front side of an alternator, that is, between a driven pulley and the alternator, wherein a pump shaft is detachably coupled to an alternator shaft through a tubular bushing shaft. A seal member is disposed in the tubular bushing shaft for preventing leakage of lubricating oil from the pump to brushes arranged at a rear side of the alternator.
    Type: Grant
    Filed: July 19, 1983
    Date of Patent: December 4, 1984
    Assignee: Nippondenso Co., Ltd.
    Inventors: Taro Asahi, Toshimitu Higashino, Noboru Ikoma, Masato Hanai, Nakato Murata