Patents Represented by Law Firm Bardehle, Pagenberg, Dost, Altenberg, Frohwitter, Geissler and Partners
  • Multi-vessel timing synchronization method and device
    Patent number: 5650981
    Abstract: This invention relates generally to a method and system for synchronizing the timing of events between and among vessels using a common timing reference.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: July 22, 1997
    Assignee: Precision Seismic, Inc.
    Inventors: Nils Erik Jacobsen, Anno Sauer, Ian McMillan, Rolf Ronningen
  • Malfunction diagnosis apparatus for internal combustion engine
    Patent number: 5557933
    Abstract: Provided is an internal combustion engine malfunction diagnosis apparatus capable of diagnosing the deterioration of an internal combustion engine with a high accuracy and capable of diagnosing deterioration of a fluctuation factor detection section of the engine with a high accuracy in irrespective of the engine speed.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: September 24, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Akihito Numata, Takashi Mukaihira, Toshio Ishii, Yutaka Takaku, Kazuya Kawano