Patents by Inventor Ryooichi Mizuno

Ryooichi Mizuno 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).

  • Space-saving information processing apparatus
    Patent number: 5867148
    Abstract: An information processing apparatus includes in its body at least a power supply unit, a disk type storage and a printed circuit board arranged in a predetermined order and further has a keyboard unit which can be sandwiched between the display unit and a keyboard unit supporting portion extending from the body by pivotally moving the display unit. A detector for detecting the detachment of the keyboard unit from the body may be provided to restrict the range of pivotal movement of the display unit in accordance with a detection signal of the detector. Further, the display unit may be provided with pilot light emitting portions, thereby making it possible to recognize a condition of the information processing apparatus.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: February 2, 1999
    Assignees: Hitachi, Ltd., Hitachi Video & Information System, Inc.
    Inventors: Hideki Kamimaki, Kiyokazu Nishioka, Koichi Kimura, Takashi Maruyama, Tsuguji Tachiuchi, Koichi Isaji, Tsuyoshi Nakagawa, Nobuo Tsuchiya, Yoshiyuki Amano, Taisuke Kashima, Akira Takahashi, Tadashi Kyoda, Ryooichi Mizuno