Patents by Inventor Moriyoshi Akiyama

Moriyoshi Akiyama 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).

  • Video/audio information retrieving apparatus and method
    Publication number: 20020019979
    Abstract: Video/audio information apparatus provides electric program guide information of broadcast media and index information of storage media as an integrated index.
    Type: Application
    Filed: January 19, 2001
    Publication date: February 14, 2002
    Inventors: Hiroyuki Koreeda, Masaru Nanki, Tomotake Sato, Moriyoshi Akiyama, Koji Kamogawa
  • Video decoder/converter with a programmable logic device which is programmed based on the encoding format
    Patent number: 5703658
    Abstract: An apparatus and a method for receiving television signals can display a television signal of a novel signal format, even at a low cost, without addition of any hardware.
    Type: Grant
    Filed: June 12, 1996
    Date of Patent: December 30, 1997
    Assignee: Hitachi, Ltd.
    Inventors: Yasutaka Tsuru, Takumi Okamura, Shoji Kimura, Yuji Yamamoto, Toshinori Murata, Kenji Katsumata, Moriyoshi Akiyama, Takanori Eda
  • Image control apparatus for a television receiver
    Patent number: 5272533
    Abstract: An image control apparatus includes a waveform equalizer, a distorted waveform extraction control unit, a noise reduction circuit, and an image quality control unit. The waveform equalizer receives an input video signal, equalizes the waveform of the video signal, and outputs the waveform equalized video signal. The distorted waveform extraction control unit detects a distorted waveform from the output of the waveform equalizer and controls the waveform equalizer to perform waveform equalization suitable for the input video signal.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: December 21, 1993
    Assignees: Hitachi, Ltd., Hitachi Video & Information System, Inc.
    Inventors: Moriyoshi Akiyama, Toshiyuki Kurita, Hiroshi Sekiya, Sunao Suzuki, Katsumi Hishiyama, Toshinori Murata