Patents by Inventor Masatoshi Niigawa

Masatoshi Niigawa 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).

  • Electric fan apparatus, connector connection structure, and intermediate terminal
    Patent number: 6203293
    Abstract: An electric fan apparatus including connectors that employ male terminals. Intermediate terminals are employed to connect the male terminals of the connectors. A fan motor is located behind a radiator to rotate a fan for producing air flow that cools the radiator. A controller controls the fan motor. A socket connector is provided on the fan motor or the controller. The socket connector has a sink for accommodating a male terminal. A plug connector is provided for engagement with the socket connector. The plug connector also has a sink for accommodating a male terminal. An intermediate terminal electrically connects the socket connector male terminal and the plug connector male terminal when the socket connector and the plug connector are engaged with each other. The intermediate terminal has back-to-back female ends that are fitted onto the male terminals to bridge the male terminals.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: March 20, 2001
    Assignees: ASMO Co., Ltd., Denso Corporation
    Inventors: Yoshiji Yamamoto, Hideo Ishiguro, Akitada Katou, Masanobu Gotou, Jyunji Sugiura, Yasunobu Hirao, Akiyoshi Yasunobe, Masatoshi Niigawa