Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880274 | Power reclining device of seat | — | 1989-11-14 |
| 4842647 | Mould additive for continuous casting of steel | Osamu Nomura, Yoichiro Kawabe, Koyo Yanagawa | 1989-06-27 |
| 4830992 | Carbon containing refractory | Noboru Tsukamoto, Hitoshi Iwado, Eishi Iida | 1989-05-16 |