Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843855 | Multi-pass rolling method and multi-path rolling-mill stand for carrying out said method | Hiroaki Kuwano, Takao Kawanami, Ken Okudaira | 1989-07-04 |
| 4814319 | Heat and pressure sensitive recording material | Shinichi Matsumoto, Nobuhiko Kitada | 1989-03-21 |