Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173155 | Vacuum boiler type evaporator | Yoshiaki Miyata, Akio Seta, Nobuhiko Tsui, Hiroshi Kujirai, Hitonobu Shotani +2 more | 1992-12-22 |
| 5163303 | Double-walled tube type open rack evaporating device | Yoshiaki Miyata, Masakazu Hanamure, Takahide Yamamotao, Masaru Akiyama | 1992-11-17 |