Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344308 | Method for cold rolling and cleaning steel plates | Sakae Sonoda, Kimio Yokoyama | 1982-08-17 |
| 4317845 | One side surface molten metallic coating method and apparatus thereof | Kunihiko Karasawa, Tokushiro Hosoda, Hiroshi Mase, Yasuo Sato | 1982-03-02 |