Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693236 | Water-repellent surface structure and its fabrication method | Tomohiro Okumura, Chikako Goto, Tadashi Imai | 1997-12-02 |
| 5609690 | Vacuum plasma processing apparatus and method | Syouzou Watanabe, Masaki Suzuki, Tomohiro Okumura | 1997-03-11 |