Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978583 | Patterned metal plate and production thereof | Tsuneyoshi Wakui, Yuji Shimoyama, Hideo Kuguminato, Fumio Kosumi, Tadaaki Yasumi +3 more | 1990-12-18 |
| 4783378 | Steel sheets for drawing and ironing worked cans | Tsuneyoshi Wakui, Yuji Shimoyama, Toshio Akizuki | 1988-11-08 |
| 4363471 | Steel strip continuous annealing apparatus | Fumiya Yanagishima, Yuji Shimoyama, Hideo Sunami, Yukio Ida, Goji Katsushima +1 more | 1982-12-14 |
| 4363472 | Steel strip continuous annealing apparatus | Yuji Shimoyama, Fumiya Yanagishima, Hideo Sunami, Yukio Ida, Goji Katsushima +1 more | 1982-12-14 |