Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9989687 | Wave plate having consistent birefringence properties across the visible spectrum and manufacturing method for same | Akio Takada, Nobuyuki Koike, Masatoshi Sasaki, Kazuyuki Shibuya | 2018-06-05 |