Patents by Inventor Yoshihiro Nagaki

Yoshihiro Nagaki 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).

  • Heat sink, and process and apparatus for manufacturing the same
    Patent number: 6253829
    Abstract: A process for manufacturing a heat sink, in which a plate-shaped base portion is formed by the diecasting method integrally with the one-end portions of a plurality of fins arrayed at a constant pitch and in parallel with each other.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: July 3, 2001
    Assignee: Fujikura Ltd.
    Inventors: Koichi Mashiko, Masataka Mochizuki, Kazuhiko Goto, Yuji Saito, Yoshihiro Nagaki
  • Heat sink, and process and apparatus for manufacturing the same
    Patent number: 6085830
    Abstract: A process for manufacturing a heat sink, in which a plate-shaped base portion is formed by the diecasting method integrally with the one-end portions of a plurality of fills arrayed at a constant pitch and in parallel with each other.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: July 11, 2000
    Assignee: Fujikura Ltd.
    Inventors: Koichi Mashiko, Masataka Mochizuki, Kazuhiko Goto, Yuji Saito, Yoshihiro Nagaki
  • Cooler for electronic devices
    Patent number: 5964279
    Abstract: An electronic device cooler for cooling an exothermic member arranged in a case, including an air compressor configured to compress adiabatically air in the case to an elevated temperature. Also included is a heat pipe configured to discharge heat from the air adiabatically compressed to the elevated temperature to an outside of said case, and an expansion turbine configured to expand adiabatically the air having heat discharged by the heat pipe to a reduced temperature.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: October 12, 1999
    Assignee: Fujikura Ltd.
    Inventors: Masataka Mochizuki, Koichi Mashiko, Kazuhiko Goto, Yuji Saito, Katsuo Eguchi, Yoshihiro Nagaki, Akihiro Takamiya, Thang Toan Nguyen