Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10436964 | Inorganic polarizing plate, method of manufacturing the same, and optical instrument | Seiji Kumagai, Hideto Sagawa, Takahiro Kimura, Kazuyuki Shibuya, Toshiaki Sugawara +2 more | 2019-10-08 |
| 10317599 | Wavelength plate and optical device | Nobuyuki Koike, Masatoshi Sasaki | 2019-06-11 |
| 10185067 | Method of manufacturing polarizing plate | Eiji Takahashi | 2019-01-22 |