Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354102 | Freezing device for supercooled water | Tsutomu Hozumi, Akio Saito, Hiroyuki Kumano | 2002-03-12 |
| 4766730 | Gas ejecting system for main condenser in geothermal steam turbine plant | Masayuki Amano, Yoshio Nakano | 1988-08-30 |