Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814288 | Method of fabricating semiconductor devices which include vertical elements and control elements | Masatoshi Kimura, Takeaki Okabe, Isao Yoshida, Kouzou Sakamoto, Kazuo Hoya +2 more | 1989-03-21 |