Patents by Inventor Juniti Koyano

Juniti Koyano 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).

  • Portable gas detector and its cradle
    Patent number: 6606897
    Abstract: A portable gas detector comprises a casing proper 1 adapted to be attached to the human body. The casing proper 1 has multiple openings to accommodate gas sensors 5 on one side and charging terminals 38 and a communication window 14 on the other. Calibration of the gas sensors and securing of power supply are easy to achieve.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: August 19, 2003
    Assignee: Riken Keiki Co., Ltd.
    Inventors: Juniti Koyano, Shuji Tajima, Masahide Kitamura
  • Portable gas detector-alarm
    Patent number: D447974
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: September 18, 2001
    Assignee: Riken Keiki Co., Ltd.
    Inventors: Juniti Koyano, Shuji Tajima, Masahide Kitamura