Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222840 | Fuel cell mount apparatus and electric power supply system | Koichi Tanaka, Kazutoshi Nomoto, Yasuhiro Watanabe, Yuichi Takai | 2012-07-17 |
| 7901822 | Fuel cell and voltage supply method | Toshiyuki Matsuno | 2011-03-08 |
| 7267903 | Fuel cell and method of operating the same | — | 2007-09-11 |
| 6875530 | Fuel cell and method of operating the same | — | 2005-04-05 |
| 5428593 | Digital audio signal transforming method and apparatus | Naokazu Miyamoto | 1995-06-27 |
| 5316777 | Lid of container and container for instant foods using the same | Takashi Toyoda, Yasuji Hosono, Takashi Funato, Takashi Miyaji, Yukio Kohama +2 more | 1994-05-31 |
| 5316841 | Laminated sheet for a lid of a container for instant food cooked with hot water | Yukio Kohama, Kazunori Yamada, Toshiaki Watanabe | 1994-05-31 |
| 4348699 | Apparatus for recording and/or reproducing digital signal | Yoshikazu Tsuchiya, Masato Tanaka, Takenori Sonoda, Tetsu Watanabe, Nobuhiko Watanabe | 1982-09-07 |