Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488619 | Distal endoscope part having light emitting source such as light emitting diodes as illuminating means | — | 2002-12-03 |
| 6361491 | Optical adaptor for highy precision endoscope | Hiroshi Hasegawa, Masahiro Chiba | 2002-03-26 |