Patents by Inventor Morihide Tojo

Morihide Tojo 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: 4991957
    Abstract: A borescope apparatus having a borescope and a pressurized fluid supply device. The borescope has an operation unit and an insertion unit. The insertion unit comprises a bending tube portion, a jet port member coupled to a proximal end of the bending tube portion, and a flexible tube portion. The bending tube portion can be bent by operating the operation unit. The jet port member has a jet port. A pressuring fluid is supplied from the fluid supply unit to the jet port member, and is ejected through the jet port. The flexible tube portion can be bent by a jet of the fluid from through the jet port independently of the bending tube portion.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: February 12, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuyuki Sakamoto, Yoshio Shishido, Masahiro Kumakura, Morihide Mizumoto, Morihide Tojo, Ryouji Masubuchi, Atsushi Miyazaki, Satoshi Tagami, Hiroshi Hasegawa, Shinichi Nishigaki, Yasuhiro Ueda, toshiaki Nishikiori, Kunio Kinoshita, Takeaki Nakamura, Eiichi Fuse, Yoshisada Aoki, Kazuhiro Misono