Patents by Inventor Tosio Nagara

Tosio Nagara 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).

  • Radiator for a vehicle engine
    Patent number: 3945454
    Abstract: The radiator comprises a radiator cap for closing a cooling medium supply port, valve means for permitting the interior of a radiator body to communicate with the open air, locking means operatively associated with the valve means and for locking the radiator cap to the radiator body, and a key for actuating the locking means, whereby the valve means is opened simultaneously with the time when the locking means has been unlocked by the key.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: March 23, 1976
    Assignees: Yamaha Hatsudoki Kabushiki Kaisha, Nippon Denso Co., Ltd.
    Inventors: Isao Kinoshita, Tosio Nagara, Tosiro Kaziwara