Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870283 | Electric multipole lens | — | 1989-09-26 |
| 4839523 | Ion implantation apparatus for semiconductor manufacture | Katsunobu Abe, Atsushi Shibata | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870283 | Electric multipole lens | — | 1989-09-26 |
| 4839523 | Ion implantation apparatus for semiconductor manufacture | Katsunobu Abe, Atsushi Shibata | 1989-06-13 |