Patents by Inventor Nobuyuki Nakanishi

Nobuyuki Nakanishi 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).

  • APPARATUS FOR WASHING AND DISINFECTING-STERILIZING ENDOSCOPE
    Publication number: 20020064479
    Abstract: A washing vessel capable of housing an endoscope is formed in an apparatus body. A washing solution containing a detergent is spurted against the endoscope arranged within the washing vessel for washing the endoscope. Also, an oxide-based disinfecting-sterilizing solution is supplied into the washing vessel for disinfecting-sterilizing the endoscope after the washing step together with the washing vessel.
    Type: Application
    Filed: February 22, 1999
    Publication date: May 30, 2002
    Inventors: NOBUYUKI NAKANISHI, DAISAKU NEGORO, NAOYA TAYA, HITOSHI HASEGAWA, EIRI SUZUKI, HISASHI KUROSHIMA
  • Washing/sterilizing apparatus for an endoscope and method for washing/sterilizing its water supplying system
    Patent number: 5558841
    Abstract: An apparatus comprises a washing water supply tank for supplying washing water to an endoscope placed on a washing and sterilizing bath and a sensor for determining whether or not the water supply tank needs washing or sterilizing. Further, in addition, the water supply tank is also washed and sterilized. A lamp and buzzer inform the user of a result of whether or not the water supply system needs washing and sterilizing.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: September 24, 1996
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Mikihiko Nakagawa, Daisaku Negoro, Nobuyuki Nakanishi, Akio Ogawa, Manabu Yajima, Toshihara Kinoshita
  • Endoscope system wherein cleaning solution flows at same speed in cleaning solution supply section and in all flow paths of internal conduits
    Patent number: 5408991
    Abstract: An endoscope system includes an endoscope having internal conduits, a cleaning solution supply portion formed in the endoscope and communicating with the internal conduits, and a solution feed unit for feeding a cleaning solution to the cleaning solution supply portion. The internal conduits are formed such that the cleaning solution supplied from the cleaning solution supply portion to the internal conduits by the solution feed unit flows in all the flow paths of the internal conduits at a flow speed almost equal to that in the cleaning solution supply portion.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: April 25, 1995
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yoshihiro Iida, Koji Takamura, Shigeru Nakajima, Jun Hiroya, Nobuyuki Nakanishi, Takeaki Nakamura, Hiroyuki Sasa, Yoshisada Aoki, Osamu Tamada