Patents by Inventor Shigenobu Higuchi

Shigenobu Higuchi 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).

  • Automatic inflating lifesaving buoy
    Patent number: 4094028
    Abstract: An automatically inflating lifesaving buoy device having a gas generating device in which the gas generating composition is ignited by an electric ignition device powered by a water-activated electric cell or battery. The gas then generated is cooled as it flows into an inflatable bag to form the lifesaving buoy.
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: June 13, 1978
    Assignees: Nippon Oil and Fats Co., Ltd., Kokuku Chemical Industry Co. Ltd.
    Inventors: Hikaru Fujiyama, Tsuneo Kasama, Shigenobu Higuchi