1
Hisao Ogiu, Hideki Shimonaka: Apparatus for suturing coeliac tissues. Olympus Optical, November 25, 1980: US04235238 (819 worldwide citation)

A coeliac tissue-suturing apparatus comprising a flexible tubular member having a passage extending therethrough and inserted into a channel of an endoscope, a needle having one end concentrically fixed to that end of the tubular member which is inserted into the endoscope and having the other end m ...


2
Hisao Ogiu: High frequency electrosurgical instrument for cutting human body cavity structures. Olympus Optical, January 1, 1980: US04181131 (182 worldwide citation)

A high frequency electrosurgical instrument for cutting human body cavity structures comprises a sheath made of an electrically insulating material and a metal wire. The metal wire consists of an operating wire portion reciprocating through the sheath and a cutting wire portion folded back toward th ...


3
Hisao Yabe, Hisao Ogiu, Toshiyuki Takara, Koji Takamura, Masaaki Nakazawa, Akinobu Uchikubo, Tomoaki Sato, Atsushi Miyazaki, Akibumi Ishikawa, Takeaki Nakamura: Solid state imaging apparatus. Olympus Optical, Armstrong Nikaido Marmelstein Kubovcik & Murray, April 17, 1990: US04918521 (113 worldwide citation)

This solid state imaging apparatus is provided within the tip part of an insertable part of an endoscope and is provided with an image forming optical system for forming images. This image forming optical system forms an optical image on the imaging surface of a solid state imaging chip provided in ...


4
Hisao Ogiu, Koji Yamaya: Endoscope apparatus. Olympus Optical, May 26, 1987: US04667655 (79 worldwide citation)

An endoscope includes a view window and a washing nozzle which are provided at the distal end of an insertion section extending from an operation section. Universal cord extends from the operation section, and a connector is fitted to the extended end of the cord. Air and liquid supply channels exte ...


5
Hisao Ogiu: Endoscope provided with an elongate medical treating instrument utilizing laser beams. Olympus Optical, January 11, 1983: US04367729 (75 worldwide citation)

An endoscope embodying this invention comprises a control section, an elongate flexible insertion section having one end connected to the control section and the other constituting a distal end part, a transparent glass cover member mounted in the front end face of the distal end part, a channel ext ...


6
Hisao Ogiu: Endoscope system and method of unifying picture images in an endoscope system. Olympus Optical, Armstrong Nikaido Marmelstein Kubovcik & Murray, December 26, 1989: US04890159 (60 worldwide citation)

This endoscope system comprises a plurality of types kind of endoscope apparatuses, a signal processing apparatus used in common with the plurality of types of endoscope apparatuses and which processes the output signal of the imaging apparatus of each endoscope apparatus to be a video signal and an ...


7
Hisao Ogiu: Endoscope. Olympus Optical, Armstrong Nikaido Marmelstein Kubovcik & Murray, November 14, 1989: US04879991 (42 worldwide citation)

The outer periphery including the peripheral edge of the front end surface of a hard tip member in which an image forming device and illuminating light emitting device are contained and fixed on the tip side of an elongated insertable part is covered with a soft cover member so that the shock of str ...


8
Kimihiko Nishioka, Hisao Ogiu, Tatsuo Nagasaki: Electronic endoscope. Olympus Optical, Cushman Darby & Cushman, January 29, 1991: US04987884 (41 worldwide citation)

An electronic endoscope using a solid-state image pickup device has a filter arranged in the foreground of the solid-state image pickup device within the body of the endoscope for removing lights having wavelengths not related to observation in order to effectively eliminate those light components w ...


9
Hisao Ogiu: Laser endoscope. Olympus Optical, Frishauf Holtz Goodman & Woodward, December 13, 1983: US04419987 (30 worldwide citation)

A laser endoscope has a distal end portion detachably fitted with a holder which can cover the distal end of a channel extending through the laser endoscope body in a liquid-tight state and whose distal end holds a glass cover. The detachable attachment of the holder to the distal end portion of the ...


10
Hisao Ogiu, Toshiaki Noguchi: Color-image sensing apparatus. Olympus Optical, Ladas & Parry, December 13, 1988: US04791479 (27 worldwide citation)

An electronic endoscope comprising an endoscope unit and a light source unit. The endoscope includes a light guide and a CCD for imaging the object. The light source unit includes a continuously lighting lamp (e.g., xenon lamp), for use as a light source for observation, and a flashing stroboscope a ...