Patents by Inventor Hirohisa Tanaga

Hirohisa Tanaga 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).

  • POWER-GENERATING SYSTEM
    Publication number: 20150001989
    Abstract: A power-generating system includes a heat source which is able to produce temporal temperature variation; a first device which is able to produce temporal temperature variation based on the temperature change of the heat source and in which polarization occurs; a second device for taking out a net generating power from the first device; a detection unit that detects the temperature of the first device; an electric field application unit that applies an electric field to the first device; and a control unit for activating the electric field application unit when the temperature detected by the detection unit is the Curie temperature of the first device or higher.
    Type: Application
    Filed: August 28, 2012
    Publication date: January 1, 2015
    Applicants: Daihatsu Motor Co., Ltd., National University Corporation Nagaoka University of Technology
    Inventors: Yoonho Kim, Juyoung Kim, Takeshi Serizawa, Hirohisa Tanaga, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara, Kyohei Ogawa, Satoshi Ishizawa, Masashi Shida