Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059722 | Light source device for endoscope which is capable of light setting shading period | Seiji Matumoto, Fujio Okada, Shigeo Suzuki | 2000-05-09 |
| 5833343 | Light-source switching and driving unit | Etuo Nakano | 1998-11-10 |
| 5803900 | Light source device for endoscope provided with noncircular opening | Seiji Matsumoto, Etsuo Nakano | 1998-09-08 |