Patents by Inventor Kazufumi Takamizawa

Kazufumi Takamizawa 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: 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: 5134547
    Abstract: An electric apparatus reducing the radiation of electromagnetic wave noise according to this invention includes an inner case in which an electromagnetic wave generating source is housed an a first opening for replacing the electromagnetic wave generating source is formed. An inner door is kept conductive with the inner case and closes the first opening to enclose the electromagnetic wave generating source together with the inner case. A case houses the inner case and has a second opening for replacing the electromagnetic wave generating source and an opening and closing door for closing the second opening.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: July 28, 1992
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Kazufumi Takamizawa