Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673114 | Apparatus for measuring optical absorption of sample and sample holder applicable to the same | — | 1997-09-30 |
| 5641597 | Circuit forming method and apparatus therefor | Tatsuo Niwa | 1997-06-24 |