Patents by Inventor Shinji Fujii

Shinji Fujii 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).

  • Retriggerable multivibrator
    Patent number: 4994687
    Abstract: A retriggerable multivibrator is disclosed which comprises a first delay circuit connected for delaying an input signal a predetermined time, a second delay circuit connected to receive an output of the first delay circuit and having a enable or disable function, a flip-flop circuit connected to be set or reset in accordance with an input signal and output signal from the second delay circuit, and a control circuit for detecting a subsequent input signal within a predetermined delay time to enable or disable the second delay circuit.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: February 19, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinji Fujii, Ikuo Tsuchiya, Kazuhiko Kasai
  • Method for fabricating interconnection structure
    Patent number: 4988423
    Abstract: Disclosed is a method for fabricating an interconnection structure comprising a step of depositing an Al or Al alloy film on a dielectric film by a sputtering method improved in step coverage, a step of processing said Al or Al alloy film or a layered metal film thereof with another metal film into a metal line, and a step of depositing a film of high melting point metal or alloy thereof on the top and side surfaces of said line.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: January 29, 1991
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Yamamoto, Tsutomu Fujita, Takao Kakiuchi, Kousaku Yano, Shuichi Tanimura, Shinji Fujii