Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868840 | Metal vapor laser device | Shinji Sugioka, Masaki Yoshioka, Hiroshige Hata | 1989-09-19 |
| 4866722 | Metal vapor laser device stabilizing system | Shinji Sugioka, Masaki Yoshioka, Hiroshige Hata | 1989-09-12 |
| 4866725 | Metal vapor laser device | Shinji Sugioka, Masaki Yoshioka, Hiroshige Hata | 1989-09-12 |
| 4862475 | Hollow-cathode type metal vapor laser tube | — | 1989-08-29 |