Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812712 | Plasma processing apparatus | Akira Okuda, Hiromi Shima, Shinichi Mizuguchi | 1989-03-14 |
YO
Youichi Ohnishi
Overall (1989): #40,515 of 140,708Top 30%
1
Patents 1989