Patents by Inventor Tohru Higashihara

Tohru Higashihara 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).

  • Patent number: 5940274
    Abstract: A casing is intended to meet various requirements of a computer network system, reduce the cost of a computer network system, enable the enhancement of a computer network system after installation, and secure desired functions and reliability of a computer network system for a long period of use. The casing is constructed by stacking a plurality of types of subordinate casings (2, 3) differing from each other in height on a base (4). Each of the subordinate casings (2, 3) is provided with an individual front cover (5), and common signal lines on its rear surface having removable rear cable covers on the rear surface. The subordinate casings (2, 3) contain general-purpose electronic devices, such as a personal computer, a workstation, an extension disk/disk array, an integrated communication server (ICS), an uninterruptible power supply and the like, respectively. The functional devices are interconnected by signal lines extended on the rear surface of the casing to construct a system.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: August 17, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Yoko Sato, Takashi Yamamoto, Tohru Higashihara, Hideki Iwao, Ichirou Asano
  • Patent number: 5819185
    Abstract: A portable satellite communication apparatus constituted by a body portion and an antenna portion, wherein the antenna portion is attached on an azimuth angle adjustor provided on the body portion so that the upper surface of the antenna portion is made to be the transmission/reception direction of radio waves and the antenna portion is made rotatable so as to act also as a cover for covering the body portion. The antenna portion can be adjusted with respect to its azimuth angle, elevation angle and polarization angle. A panel portion and a handling instruction indicating portion are provided on the upper surface of the body portion and a lamp is provided on the antenna support portion so as to illuminate the panel portion and the handling instruction indicating portion to facilitate the handling of the apparatus in the night or the like.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: October 6, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Koichi Umezawa, Takashi Ohwada, Shiro Fujimori, Shiho Nakagawa, Minako Sasahara, Tohru Higashihara
  • Patent number: D389464
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: January 20, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Takashi Yamamoto, Kenta Kumagai, Tohru Higashihara, Tamotsu Tsukaguchi, Mitsuharu Nagai, Fumio Kishida, Yoshito Hayashi
  • Patent number: D394246
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: May 12, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Yamamoto, Toshiyuki Utsuki, Kenta Kumagai, Tohru Higashihara, Yutaka Yonezawa, Tamotsu Tsukaguchi, Kazuyuki Sunaga, Shigeru Koizumi, Norifumi Sano
  • Patent number: D429401
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: August 8, 2000
    Assignee: Hitachi Keiyo Engineering Co., Ltd.
    Inventors: Yoko Sato, Yukio Kuroiwa, Tohru Higashihara, Shinichi Sarugaku, Akira Fujishiro, Kazuyuki Terashima