Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835201 | Optical lens | Yasuyo Kojima | 2023-12-05 |
| 11802684 | Illumination apparatus | — | 2023-10-31 |
| 11725801 | Optical lens | Yasuyo Kojima | 2023-08-15 |
| 11665805 | Lighting device | Tadashi Fujii, Hideto Sanui, Jun Ito, Hajime Suzuki, Takayuki Izumi +1 more | 2023-05-30 |
| 11105489 | Illumination lens | Tadashi Fujii, Jun Ito, Yasuyo Kojima, Satoru Yakushiji | 2021-08-31 |
| 10174888 | Modular lighting unit | Hidekazu Narushima | 2019-01-08 |