Koji Yamaya, Tatsuya Furukawa, Takahiro Kishi, Tsugio Okazaki, Haruhiko Kaiya, Hisao Yabe, Tsutomu Ishiguro: Endoscope whose distal cover can be freely detachably attached to main distal part thereof with high positioning precision. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, January 19, 1999: US05860913 (114 worldwide citation)

In an endoscope of the present invention, while a cover indicator on a distal cover is aligned with a scope indicator on a main distal part, the distal cover is put on the main distal part in an axial direction at a certain insertion angle. Thereafter, the distal cover is rotated while being thrust ...

Hisao Yabe, Yoshihiro Iida, Akira Suzuki, Hideo Ito, Yoshio Tashiro, Minoru Yamazaki, Osamu Tamada, Tsutomu Ishiguro: Covered endoscope system. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, July 16, 1996: US05536236 (67 worldwide citation)

A covered endoscope system according to the present invention comprises a cover and a coverable endoscope to be inserted into the cover for use. Herein, an optical filter is mounted in the distal part of a cover abutting on the front of an observation optical system of the coverable endoscope.

Tsutomu Ishiguro, Hirofumi Shinnishi, Yukio Katano, Kohji Ueda: Apparatus for stripping receptor papers for use in electrophotographic machines. Katsuragawa Denki Kabushiki Kaisha, Bosworth Sessions & McCoy, May 11, 1976: US03955889 (22 worldwide citation)

In apparatus for stripping receptor paper away from the photosensitive drum of an electrophotographic machine after transfer printing, there are provided a stripping roller having a frictional band near its one end and urged against the photosensitive drum, and a stripping pawl having a pointed end ...

Tsutomu Ishiguro, Masaaki Nakazawa, Hisao Yabe, Hideo Ito: Endoscope capable of manipulation soon after autoclaving. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, February 16, 1999: US05871441 (14 worldwide citation)

An endoscope has a channel switching device for use in switching over a suction channel. The channel switching device consists broadly of a cylinder unit and valve unit. The valve unit can be disassembled into three component parts; a button assembly, piston assembly, and mount assembly. The button ...

Seiji Kitano, Hideo Ito, Tsutomu Ishiguro, Yoshiyuki Tanii, Satoshi Nakagawasai, Yasuhito Kura: Line changeover device for endoscope. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, November 24, 1998: US05840016 (13 worldwide citation)

A line changeover device for an endoscope, which changes over a line which is arranged in the endoscope, is arranged such that it comprises a cylinder and a piston which is fitted and inserted into the cylinder in a retractable manner, a seal member which is abutted against the cylinder for retainin ...

Takeshi Yokoi, Takahiro Kishi, Tsutomu Ishiguro, Masaaki Nakazawa, Yukio Takahashi, Hideo Ito, Hisao Yabe, Satoshi Nakagawasai: Endoscope system. Olympus Optical, Armstrong Westerman Hattori Mcleland & Naughton, May 12, 1998: US05749829 (10 worldwide citation)

An endoscope system in accordance with the present invention comprises: an endoscope having an insertional part, operation unit, and connector unit set in array, and including channels that communicate with an opening formed in the distal section of the insertional part and an opening formed in the ...

Takashi Azuma, Tsutomu Ishiguro, Hiroshi Tanimoto: Image forming apparatus. Minolta Camera Kabushiki Kaisha, Brinks Hofer Gilson & Lione, November 5, 1996: US05572630 (9 worldwide citation)

An image forming apparatus to prevent that the reception operation is interrupted. The image forming apparatus having a cassette for storing sheets, detecting member for detecting the quantity of sheets in the cassette, recording portion for recording images on a sheet, and controler for prohibiting ...

Tsutomu Ishiguro, Toshio Nakamura, Jun Hasegawa: Surgical instrument and endoscope surgical system having surgical instrument. Olympus Medical Systems, Ostrolenk Faber, October 9, 2012: US08282543

A surgical instrument having a surgical unit which operates on an operating portion in a body cavity, an accommodation portion capable of accommodating the surgical unit. The surgical instrument having movement manipulation mechanism connected to the surgical unit for moving the surgical unit to a p ...

Yasuhito Kura, Katsutaka Adachi, Shigeki Matsuo, Tsutomu Ishiguro, Ryuichi Toyama: Insertion support tool for medical instrument and insertion method for medical instrument. Ostrolenk Faber Gerb & Soffen, May 17, 2007: US20070112250-A1

An insertion support tool which is detachably attached to a large-intestine endoscope including an elongated inserting portion which is inserted into a lumen is provided, and an external sheath which is extendable and contractible in an inserting direction of the inserting portion and a cover member ...

Tsutomu ISHIGURO: Endoscopic treatment instrument and treatment instrument apparatus for endoscope. Olympus Medical Systems, Scully Scott Murphy & Presser PC, April 24, 2008: US20080097159-A1

An endoscopic treatment instrument includes: a long tube body to be inserted into a body cavity, including a flexible member; a first bending portion provided to a distal end part of the tube body, for bending the tube body with respect to an axial direction; a second bending portion provided in a l ...