Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042915 | Light source apparatus for an endoscope | Sugao Hosoi | 1991-08-27 |
| 4834071 | Illuminance controller for light source and endoscope including the same | Sugao Hosoi | 1989-05-30 |