Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298596 | Optical system and projector | Hitoshi Hirano, Yasuyuki Kiyama, Koji SHIOKAWA | 2025-05-13 |
| 12270977 | Ultraviolet led optical member | Masutugu Tasaki, Takeru Kawaguchi, Nobuyuki Tomizawa | 2025-04-08 |
| 12194697 | Method for modifying optical properties of synthetic resin | Masutugu Tasaki, Takeru Kawaguchi, Nobuyuki Tomizawa | 2025-01-14 |