Patents by Inventor Mamoru Kasahara

Mamoru Kasahara 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).

  • Water immersion detecting circuit
    Patent number: 6603319
    Abstract: The object of the invention is to provide a water immersion detecting circuit, which is free from false detection and is stable and highly sensitive in operation. There is provide a water immersion detecting circuit provided on a printed board 11 of an electronic unit and used for detecting water immersion of the electronic unit based on a change of resistance generated between a pair of sensor electrodes for detecting water immersion P10, p11, wherein the pair of sensor electrodes P10, P11 are positioned opposite to each other on the printed board 11, and a U-shaped slit (opening) 12 is formed between the sensor electrodes P10, P11.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: August 5, 2003
    Assignees: Oki Electric Industries Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Mamoru Kasahara, Shigeo Nomura, Ichiro Kondo, Kouji Yamaoka, Seijiyu Kawamata