Patents by Inventor Toshihiro Funahashi

Toshihiro Funahashi 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).

  • Recording and reproducing apparatus for reducing cross-talk in color television signal
    Patent number: 4809085
    Abstract: A recording and reproducing apparatus comprising a comb filter which is used both at recording and at reproducing and which is a recursive type filter using a phase advance circuit. The phase of the chrominance signal is advanced in phase by a time corresponding to the delay time produced in a feedback part of a recursive type comb filter so as to eliminate delay errors at the 1H delay during chrominance/luminance separation.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: February 28, 1989
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshihiro Funahashi
  • Pressure suppression apparatus of a nuclear power plant
    Patent number: 4252611
    Abstract: In pressure suppression apparatus of a nuclear reactor of the type comprising a vessel surrounding a reactor pressure vessel and containing a water pool at the bottom of the vessel, and a steam exhaust pipe having one end immersed and opened in the water pool, there is provided with an exhaust chamber connected to the immersed portion of the exhaust pipe and provided with a number of discharge openings.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: February 24, 1981
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Wataru Mizumachi, Toshihiro Funahashi