Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886971 | Ion beam irradiating apparatus including ion neutralizer | Akira Shuhara, Shigeo Sasaki, Kazumi Fukumoto, Hitoshi Takeya | 1989-12-12 |
YM
Yasushi Matsumura
Overall (1989): #42,010 of 140,708Top 30%
1
Patents 1989