Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422500 | Metal hydride heat pump | Tomoyoshi Nishizaki, Minoru Miyamoto, Ken Yoshida, Katuhiko Yamaji, Yasushi Nakata | 1983-12-27 |
| 4409799 | Heat pump device | Tomoyoshi Nishizaki, Minoru Miyamoto, Ken Yoshida, Katuhiko Yamaji, Yasushi Nakata | 1983-10-18 |
| 4195124 | Solar radiation energy absorber | Hiroshi Doi, Shiyuichiro Ochiai, Shigeyuki Kawai, Tadashi Sasaki | 1980-03-25 |