Patents by Inventor Norihisa Tsuge, deceased

Norihisa Tsuge, deceased 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).

  • Semiconductor integrated circuit device having fuse-type information storing circuit
    Patent number: 4707806
    Abstract: A device connected between first and second voltage feed lines includes an information storing circuit having a fuse for storing information by blowing or not blowing the fuse, a voltage level conversion circuit connected to at least one of the first and second voltage feed lines and outputting a voltage lower than a voltage between the first and second voltage feed lines to the information storing circuit, and a circuit connected between the first and second voltage feed lines, for outputting a detection signal in response to a voltage value at the fuse in the information storing circuit to which the voltage is applied from the voltage level conversion circuit and which voltage value is varied with the blown or unblown state of the fuse.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: November 17, 1987
    Assignee: Fujitsu Limited
    Inventors: Yoshihiro Takemae, Tomio Nakano, Takeo Tatematsu, Junji Ogawa, Takashi Horii, Yasuhiro Fujii, Masao Nakano, Norihisa Tsuge, deceased
  • Information storing circuit using blown and unblown fuses
    Patent number: 4592025
    Abstract: A circuit for storing information by blown and unblown fuses has at least two fuses per bit and an information output circuit. The information output circuit discriminates between the state in which all the fuses are unblown and the state in which at least one of the fuses is blown, and provides an output in accordance with the result of the discrimination as stored information.
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: May 27, 1986
    Assignee: Fujitsu Limited
    Inventors: Yoshihiro Takemae, Junji Ogawa, Yasuhiro Fujii, Tomio Nakano, Takeo Tatematsu, Takashi Horii, Masao Nakano, Norihisa Tsuge, deceased