Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608815 | Device for testing an image of a test object | Tatsuo Yamamura | 1997-03-04 |
| 5600208 | Discharge lamp unit having separable high-voltage transformer safeguard | Kouichi Katou, Kenji Aida | 1997-02-04 |