Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666870 | Press die set and press machine for driving it | Kazuo Yamada, Mitsuji Hosoda, Toshio Wada, Kazuyoshi Umeya, Koki Okanda | 1997-09-16 |
| 5620258 | Press die set and press machine for driving it | Mitsuji Hosoda, Toshio Wada, Kazuyoshi Umeya, Koki Okanda | 1997-04-15 |