Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812712 | Plasma processing apparatus | Youichi Ohnishi, Akira Okuda, Shinichi Mizuguchi | 1989-03-14 |
HS
Hiromi Shima
Overall (1989): #104,182 of 140,708Top 75%
1
Patents 1989