Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890216 | High frequency power unit for generating gas lasers | — | 1989-12-26 |
| 4887272 | Laser oscillator device | Norio Karube, Etsuo Yamazaki, Nobuaki Iehisa, Mitsuo Manabe | 1989-12-12 |
| 4885754 | High frequency discharge excitation laser device | — | 1989-12-05 |
| 4876689 | Output voltage detecting device in a laser oscillator | — | 1989-10-24 |
| 4872178 | Output voltage detecting device in a laser oscillator | — | 1989-10-03 |
| 4837789 | High frequency discharge excitation laser apparatus | — | 1989-06-06 |
| 4811192 | Inverter apparatus | — | 1989-03-07 |