Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366854 | Re-imaging optical system | — | 2016-06-14 |
| 8976468 | Endoscope objective optical system | Tsutomu Igarashi | 2015-03-10 |
| 8715170 | Objective optical system for endoscope | Tsutomu Igarashi | 2014-05-06 |