Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014361 | Beam expander to change an elliptical light beam emitted from a laser source to a circular light beam | Kenji Nagashima, Akihiro Sakaguchi, Hiroshi Gotou | 2000-01-11 |