Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345902 | Optical device and method of producing optical device | Masashi Kawashita, Yoshiko Ishimaru, Azusa Yamagishi | 2025-07-01 |
| 12222530 | Wavelength selective filter, display, optical device, and method of producing wavelength selective filter | Masashi Kawashita | 2025-02-11 |