Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920015 | Web, stampable sheet, and expansion molded product | Yutaka Araki, Seiji Hanatani, Tsutomu Takagi, Atsuhiro Hattori | 2024-03-05 |
| 5724845 | Bowing correction apparatus for temper rolling mill | Yuji Shimoyama | 1998-03-10 |
| 4978583 | Patterned metal plate and production thereof | Tsuneyoshi Wakui, Takeo Ohnishi, Yuji Shimoyama, Hideo Kuguminato, Fumio Kosumi +3 more | 1990-12-18 |