Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428511 | Resin composition, cured product, diffractive optical element, and multilayer diffractive optical element | Naozumi SHIRAIWA, Takayasu Nagai | 2025-09-30 |
| 12384864 | Curable composition, cured substance, optical member, and lens | Takafumi Nakayama | 2025-08-12 |
| 12359054 | Curable resin composition for lens, cured product, diffractive optical element, and multilayer diffractive optical element | Naozumi SHIRAIWA, Daisuke Sasaki | 2025-07-15 |
| 12286409 | Curable composition, cured product, optical member, lens, and method for manufacturing optical member | Takafumi Nakayama | 2025-04-29 |