Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490621 | Method and apparatus for generating electric power by waves | Tomiji Watabe, Hideo Kondo, Toshihiko Matsuda, Yasuhiko Dote, Matao Takagi | 1984-12-25 |
| 4400940 | Resonant type apparatus for absorbing wave energy arranged at wave-breaking facilities | Tomiji Watabe, Hideo Kondo, Kyokai Okuda, Seiichi Asano | 1983-08-30 |
| 4354199 | Semiconductor light-emitting device | Osamu Hasegawa, Koichi Kaneda | 1982-10-12 |