Patents by Inventor Ichiro Masse

Ichiro Masse 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).

  • Screen communications system granting screen modifying requests if no other requests received after first period of time and releasing requests after second period of time
    Patent number: 5596721
    Abstract: A screen communication method and system for communicating screen data between a plurality of interconnected terminal units each having a display part and an input part, wherein each time screen modifying data is input from the display part, each of the terminal units transmits a modifying right request to another terminal unit before transmitting the screen modifying data, and obtains a modifying right under such a condition that each terminal unit receives no screen modifying request from another terminal unit within a predetermined period of time after the transmission of the first modifying right request.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: January 21, 1997
    Assignee: Hitachi, Ltd.
    Inventors: Ichiro Masse, Takanori Miyamoto, Takashi Morita, Toshiro Suzuki, Eiichi Amada
  • Timing extraction method and communication system
    Patent number: 5267267
    Abstract: Clock timing is extracted from N level, multilevel codes of megabits per second data by determining a baud clock among the N-1 possible clocks synchronized to all the level cross points. A discriminator is used with a clock and if correct information is not obtained, the clock is changed.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: November 30, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Tohru Kazawa, Takanori Miyamoto, Toshiroh Suzuki, Shigeo Nishita, Ichiro Masse, Takashi Morita, Souichi Yamashita
  • Timing extraction method and communication system
    Patent number: 5123030
    Abstract: Clock timing is extracted from N level, multilevel codes of megabits per second data by determining a baud clock among the N-1 possible clocks synchronized to all the level cross points. A discriminator is used with a clock and if correct information is not obtained, the clock is changed.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: June 16, 1992
    Assignee: Hitachi, Ltd.
    Inventors: Tohru Kazawa, Takanori Miyamoto, Toshiroh Suzuki, Shigeo Nishita, Ichiro Masse, Takashi Morita, Souichi Yamashita