Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886971 | Ion beam irradiating apparatus including ion neutralizer | Yasushi Matsumura, Akira Shuhara, Shigeo Sasaki, Hitoshi Takeya | 1989-12-12 |
KF
Kazumi Fukumoto
Overall (1989): #90,988 of 140,708Top 65%
1
Patents 1989