Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822639 | Spin coating method and device | Itsuo Fujii, Toshikazu Sato | 1989-04-18 |
| 4503134 | Method of modifying surface of colored micro-filter element | Kenji Matsumoto, Jun Hayashi | 1985-03-05 |