Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525276 | Method for manufacturing high strength isotropic graphite piston components | Seiichi Okuyama, Katutoshi Mizumoto | 1996-06-11 |
| 5143746 | Process for producing magnetite-coated electrode | Hideo Inoue, Setsuo Yoshimoto | 1992-09-01 |