Patents by Inventor Kohichiro Ishihara

Kohichiro Ishihara 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).

  • Radioactive ray detecting endoscope
    Patent number: 4995396
    Abstract: A radioactive ray detecting endoscope comprises an elongated insertable part, an ultrasonic imaging apparatus provided in the tip part of the insertable part for transmitting ultrasonic waves toward an observed part, for receiving echoes from the observed part by these ultrasonic waves, and for outputting a signal for forming an ultrasonic image and a radioactive ray detecting apparatus arrangeable in the tip part of the insertable part for detecting radioactive rays. Preferably, the observing direction of the ultrasonic imaging apparatus and the detecting direction of the radioactive ray detecting apparatus substantially coincide with each other.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: February 26, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Makoto Inaba, Masaaki Hayashi, Toshihiko Hashiguchi, Hiroki Hibino, Hiroyuki Sasa, David E. Barlow, Yutaka Ohshima, Kohichiro Ishihara, Yutaka Yanagawa, Motoyuki Tagawa, Shuichi Takayama, Takashi Tsukaya, Frank Klosterman, Jack Goodman