Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33006 | Feed-water heater comprising low C-Cr-Mo steel components used under wet steam | Masakiyo Izumiya, Yoshikuni Ohshima, Koichi Akutsu, Syuzo Ueda, Masaaki Ishikawa +2 more | 1989-08-01 |