Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33006 | Feed-water heater comprising low C-Cr-Mo steel components used under wet steam | Fumio Hataya, Masakiyo Izumiya, Yoshikuni Ohshima, Koichi Akutsu, Syuzo Ueda +2 more | 1989-08-01 |
| 4851926 | Electrophotographic recording apparatus for a facsimile device | — | 1989-07-25 |