Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118642 | Method for producing semiconductors | Akira Yoshino, Kenji Okumura, Yoshinori Ohmori | 1992-06-02 |
| 4979465 | Apparatus for producing semiconductors | Akira Yoshino, Kenji Okumura, Yoshinori Ohmori | 1990-12-25 |
| 4951603 | Apparatus for producing semiconductors | Akira Yoshino, Yoshinori Ohmori | 1990-08-28 |