Patents by Inventor Hirofumi Takahashi

Hirofumi Takahashi 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).

  • Lead-acid battery electrode body, lead-acid batter, and manufacturing method of lead-acid battery
    Publication number: 20060269801
    Abstract: In a single plate lead-acid battery of the present invention are respectively formed a positive electrode capacitor layer and a negative electrode capacitor layer on surfaces of a positive electrode plate and a negative electrode plate containing an active substance, and an electric charge is accumulated in the positive electrode capacitor layer and the negative electrode capacitor layer. As a result, the single plate lead-acid battery brings out an output higher than a conventional single plate lead-acid battery.
    Type: Application
    Filed: May 30, 2006
    Publication date: November 30, 2006
    Applicant: Shin-Kobe Electric Machinery Co., Ltd.
    Inventors: Kyoko Honbo, Takeo Sakamoto, Masanori Sakai, Yasuo Kondo, Hirofumi Takahashi
  • Signal transmission apparatus
    Publication number: 20050265269
    Abstract: A signal transmission apparatus, to which at least one field device is connected and which transmits a signal obtained from the field device to a host computer, has at least one input terminal to which a signal transmitted from the field device is inputted, a signal processing unit which generates a communication frame in conformity with a wireless communication protocol based on a signal inputted through the input terminal, and a wireless transmission unit which transmits by wireless the communication frame to the host computer.
    Type: Application
    Filed: May 27, 2005
    Publication date: December 1, 2005
    Applicant: Yokogawa Electric Corporation
    Inventors: Yoji Saito, Masanori Noguchi, Hirofumi Takahashi, Toshiki Ogawa, Koji Demachi, Toshiro Tomita, Tetsuo Hoshi
  • Inspection device having coaxial induction and exciting coils forming a unitary coil unit
    Patent number: 5432444
    Abstract: An inspection device has an exciting coil for generating an electromagnetic field and an induction coil which are integrally connected to each other a coaxial relation so as to induce mutual inductance in the induction coil by the electromagnetic field. The mutual inductance caused in the induction coil varies with a given object to be inspected which is present in the electromagnetic field. The object can be inspected by analyzing the change in inductance.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: July 11, 1995
    Assignee: Kaisei Engineer Co., Ltd.
    Inventors: Kazuhiko Yasohama, Hiroaki Kohama, Hirofumi Takahashi