Patents Assigned to Chubu Electric Power Company Incorporated
  • Ion beam generating apparatus, film-forming apparatus, and method for formation of film
    Patent number: 5168197
    Abstract: An ion beam generating apparatus including a vacuum chamber for retaining a vacuum therein, a microwave being introduced therein through at least one portion thereof, at least one vacuum arc plasma generating source having a cathode, an anode, and arc generating device and disposed inside the vacuum chamber, and ion extracting device for extracting ions from the plasma.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: December 1, 1992
    Assignees: Rikagaku Kenkyusho, Chubu Electric Power Company, Incorporated, TDK Corporation
    Inventors: Moritake Tamba, Katushige Yamada, Kazuhiko Kawamura
  • Zero-phase sequence current detector
    Patent number: 5159561
    Abstract: A zero-phase sequence current detector have three circular cores provided around three phases overhead lines of AC power lines, three magnetoptic sensors provided on respective cores for detecting currents flowing on respective power lines, and a processing circuit containing an adding circuit for adding outputs of the magnetoptic sensors and a compensation processing circuit for canceling erroneous components due to the differences of the temperature characteristics among the magnetoptic sensors.
    Type: Grant
    Filed: April 5, 1990
    Date of Patent: October 27, 1992
    Assignees: Mitsubishi Denki Kabushiki Kaisha, Chubu Electric Power Company, Incorporated
    Inventors: Masami Watanabe, Noboru Mikami, Eiya Aikawa, Yoshinari Furukawa
  • Method of protecting underground structures in ground liable to be liquefied
    Patent number: 5059063
    Abstract: A conglomerate layer is formed horizontally on a base of ground which has a high water permeability and easily liquefies. A bottom plate is formed on the conglomerate layer to construct the underground structure thereon. One or more drainpipes are extended upwardly from the conglomerate layer through the bottom plate for draining excessive pore water in the ground.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: October 22, 1991
    Assignees: Ohbayashi Corporation, Chubu Electric Power Company, Incorporated
    Inventors: Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide, Tamotsu Endoh, Makoto Toriihara, Joji Ejiri
  • Method of protecting a structure constructed on ground liable to be liquefied
    Patent number: 5017046
    Abstract: A conglomerate layer is formed in ground which has a high water permeability and is liable to be liquefied. An underground base of the structure is constructed on the conglomerate layer. One or more drainpipes are extended substantially horizontally from the conglomerate layer through the underground base so as to communicate with the surface of the ground.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: May 21, 1991
    Assignees: Ohbayashi Corporation, Chubu Electric Power Company, Incorporated
    Inventors: Tadao Sugimoto, Shigeki Tsuchiyama, Makoto Hayakawa, Yozo Goto, Tadao Koide, Tamotsu Endoh, Makoto Toriihara, Joji Ejiri