Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841197 | Double-chamber ion source | Kazuo Takayama, Eiji Yabe, Kenichi Takagi, Riichi Kikuchi | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841197 | Double-chamber ion source | Kazuo Takayama, Eiji Yabe, Kenichi Takagi, Riichi Kikuchi | 1989-06-20 |