Patents by Inventor Toshiaki Nishikori

Toshiaki Nishikori 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: 5894322
    Abstract: An endoscope system comprises a plurality of endoscope components including at least one endoscope light source apparatus for supplying illumination light to an endoscope and at least one video signal processing unit for processing video signals provided by the endoscope, a main control unit for controlling the plurality of endoscope system components, and a main operational instruction unit connected to the main control unit and used to operate the plurality of endoscope system components. The main operational instruction unit includes a display capable of selectively displaying operational instruction input screens associated with functions possessed by the plurality of endoscope system components.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: April 13, 1999
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Masahiko Hamano, Toshiaki Nishikori, Tsuguhisa Sasai, Mutsumi Oshima, Hiroyuki Ushifusa, Hideyuki Shouji, Atsushi Amano, Kouji Okada, Kazufumi Takamizawa, Kenya Inomata, Shingo Kato
  • Patent number: 5627584
    Abstract: An endoscope system has an endoscope equipped with an imaging unit, and a plurality of peripheral equipment used in conjunction with the endoscope; such as, a light source for supplying illumination light to the endoscope and a video signal processor for processing a video signal originating from the endoscope, comprising a centralized operation unit for operating at least the light source and video signal processor and a centralized control for centralizing control of the light source and video signal processor based on a command sent from the centralized operation unit.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: May 6, 1997
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Toshiaki Nishikori, Yasuyuki Kaneko, Atsushi Amano, Masahiko Hamano, Kazufumi Takamizawa, Hideyuki Shoji, Mutsumi Oshima, Ken-ya Inomata
  • Patent number: 5622528
    Abstract: An endoscope examination system of the present invention consisting of a centralized controlling apparatus, a plurality of auxiliary functioning apparatuses and a plurality of workstations. The centralized controlling apparatus comprises a computer which controls each of the auxiliary apparatuses or the like and a switching apparatus which controls a changeover of picture image information transmitted to the auxiliary functioning apparatuses. The plurality of auxiliary functioning apparatuses comprise a computer which exchanges control information with the computer of the centralized controlling apparatus and with the workstations, a switching apparatus which exchanges picture image information with the switching apparatus of the centralized controlling apparatus and with the workstations, and a VTR which records the picture image information.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: April 22, 1997
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Masahiko Hamano, Yasuyuki Kaneko, Atsushi Amano, Kazufumi Takamizawa, Hideyuki Shoji, Toshiaki Nishikori, Mutsumi Oshima, Ken-ya Inomata
  • Patent number: 5526249
    Abstract: A light source device including a lamp-exchanging door which is attached/removed when a lamp is replaced and an electrode-connection/separation arrangement for making connection/separation between an electrode of a lamp driving circuit and an electrode of a lamp when the lamp-exchanging door is attached/removed.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: June 11, 1996
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Isamu Karasawa, Toshiaki Noguchi, Masato Toda, Masanobu Koitabashi, Keiji Handa, Akihiro Amemiya, Yoshihiro Okada, Toshiaki Nishikori, Tsuguhisa Sasai, Kazufumi Takamizawa
  • Patent number: 5415287
    Abstract: A holding apparatus for holding at least an operational part of an endoscope is provided as a removable unit of an endoscope system storage rack. An endoscope storage case in which an insertion tube of an endoscope hung on the holding apparatus is removably provided in the storage rack below the holding apparatus. The endoscope storage case stores at least a used endoscope.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: May 16, 1995
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Masahiko Hamano, Toshiaki Nishikori, Tsuguhisa Sasai, Mutsumi Oshima, Hiroyuki Ushifusa, Hideyuki Shouji, Atsushi Amano, Kouji Okada, Kenya Inomata, Kazufumi Takamizawa
  • Patent number: 5259365
    Abstract: An endoscope examination apparatus includes a bed on which a subject lies, a device separately positioned from the bed and used for an endoscope examination, a control device provided in the bed for controlling the device and a connecting device extended from the bed and connected to the device for operatively connecting the device and the control device.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: November 9, 1993
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Toshiaki Nishikori, Yukio Nakajima, Masahiro Kawashima, Stuart M. Greengrass, Christopher Parker, Shuichi Takayama, Kenichiro Sanagai, Shinichi Nishigaki, Nobuaki Akui, Tatsuya Yamaguchi, Takeaki Nakamura, Masaaki Hayashi, Akira Takano
  • Patent number: 5196928
    Abstract: An endoscope system comprises first and second endoscopes each of which includes an elongated insertion tube and an imaging device, a light source for supplying illumination light to the endoscopes, a function for processing a signal originating from one of the imaging devices, and a video processor which mixes the signal with at least a signal sent from an external input terminal and outputs a given video signal corresponding to the first and second endoscopic images. The video signal provided by the video processor is output to a shared monitor, thus displaying two endoscopic images simultaneously.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: March 23, 1993
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Isamu Karasawa, Yasuyuki Kaneko, Masahiko Hamano, Kazufumi Takamizawa, Matsumi Oshima, Hideyuki Shoji, Ken-ya Inomata, Atsushi Amano, Toshiaki Nishikori, Akira Osawa
  • Patent number: 5096292
    Abstract: A borescope apparatus comprising a flexible insertion section, a jet port formed at the insertion section, a moving device for supplying a compressed fluid to the jet port, whereby the insertion section is moved by an impellent force of the fluid ejected from the jet port, and a stabilizing device for steadily maintaining the position of the insertion section.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: March 17, 1992
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuyuki Sakamoto, Ichiro Takahashi, Morihide Mizumoto, Saburo Hosono, Tutomu Yamamoto, Minoru Okada, Shinichi Nishigaki, Yoshio Shishido, Kazuhiro Misono, Atsushi Miyazaki, Yasuhiro Ueda, Toshiaki Nishikori, Takeaki Nakamura, Eiichi Fuse, Akibumi Ishikawa, Yoshisada Aoki
  • Patent number: 5048956
    Abstract: A borescope apparatus comprises an insertion section having a bending portion and a flexible portion, a bending mechanism for bending the bending portion under the pressure of supplied fluid, a pressurized fluid supplying unit for supplying the fluid to the jet port and the bending mechanism and a flow control unit for controlling the fluid supplied to jet ports which are provided in the distal end of either the bending portion or flexible portion and the bending mechanism.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: September 17, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuyuki Sakamoto, Yasuhiro Ueda, Atsushi Miyazaki, Yoshio Shishido, Toshiaki Nishikori, Shinichi Nishigaki, Morihide Mizumoto, Takeaki Nakamura, Eiichi Fuse, Yoshisada Aoki
  • Patent number: 5016975
    Abstract: An electronic endoscope having a light emitting unit for emitting illuminating light from the tip of the insertable part, a solid state imaging device at the tip for receiving an illuminated light image, a sample-holding circuit for sample-holding an output signal from the solid state imaging device, a light source for such light emitting unit and an iris device in such light source, the iris device comprising a diaphragm device for preventing the spectral characteristics of the endoscope from being changed due to the amount of light reduction which consists of a diaphragm assembly consisting of two dimensionally diaphragm units which consists of light passing openings with small sectional area and light shading parts formed by tubular surfaces surrounding the side surfaces of the openings, positioned in the beam emitted from illuminating lamp, and provided with means for turning diaphragm assembly from a position where the tubular surfaces are in parallel with the axis of the illumination beam to a position
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: May 21, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Masahiko Sasaki, Tadashi Kato, Hiroyoshi Fujimori, Tatsuo Nagasaki, Fumiyuki Onoda, Toshiaki Nishikori, Hideo Tomabechi, Kazutake Sugawara, Kazuo Nakamura, Ootaro Ando, Koichi Karaki
  • Patent number: 4983019
    Abstract: An endoscope light source apparatus which can feed an illuminating light adapted to a scope provided with a frame sequential type imaging device, a scope provided with a color mosaic type imaging device and a fiber scope has a light source lamp which can emit the illuminating light. A filter which can transmit the illuminating light is interposed in the light path connecting the light source lamp with the entrance end surface of a light guide capable of feeding the illuminating light to the scope and is provided within a cassette which is inserted through an inserting aperture provided on a housing containing the light source apparatus.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: January 8, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yuji Ikuno, Toshiaki Nishikori, Akihiko Miyazaki, Kazunari Nakamura, Fumiyuki Onoda, Hiromasa Suzuki, Takeaki Nakamura, Yoshinao Oaki, Atsushi Kidawara, Masahide Kanno, Hisao Yabe, Shinichi Katoh
  • Patent number: 4862258
    Abstract: The endoscope light source apparatus of this invention has a light source for emitting a white color light as an illuminating light and a connecting part connectable with the light guide of the endoscope. Reflecting members are movably provided in the light path connecting the light source and the connecting part, and switch the light path between a light path through which the illuminating light adapted to an endoscope provided with a frame sequential type imaging device can be made to enter a filter which can sequentially transmit it and a light path which can avoid the filter.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: August 29, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Atsushi Kidawara, Toshiaki Nishikori, Masahide Kanno, Hisao Yabe, Shinichi Katoh, Yuji Ikuno, Takeaki Nakamura
  • Patent number: 4860094
    Abstract: This endoscope apparatus is provided with a plurality of kinds of endoscopes each having an elongate insertable part having an illuminating window and observing window in the tip part. An illuminating light transmitting system leads an illuminating light to the illuminating window. An imaging apparatus receives the returning light from an object entering from the observing window and imaging the object. A signal transmitting system is connected at one end to the imaging apparatus. An illumination connector is provided at the entrance side end of the illuminating light transmitting system and is different in at least one of the illuminating method and signal processing system. The endoscope apparatus is further provided with an illuminating apparatus having an illumination connector receptacle removably connectable with respective illumination connectors of the plurality of endoscopes and feeding illuminating light to the plurality of endoscopes.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: August 22, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hiroki Hibino, Toshiaki Nishikori, Kenji Kumura
  • Patent number: 4855819
    Abstract: A system comprising a frame sequential type color imaging device, a color imaging device provided with a color filter, an illuminating light outputting device which can output illuminating lights corresponding to these different color imaging devices, a signal processing device processing the signals corresponding to the respective color imaging devices and a color monitor displaying the processed color video signals so that any color imaging device can be used.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: August 8, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hiroki Hibino, Kenji Kimura, Masahide Kanno, Toshiaki Nishikori, Jun Yoshinaga, Atsushi Kidawara, Hisao Yabe, Shinichi Katou, Koji Takamura, Takeaki Nakamura