Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10120145 | Optical element with annular light-collecting area forming an annular image outside itself | Hironori HORIKIRI, Hisashi MAKI, Takahiro Fujioka, Katsumoto Ikeda | 2018-11-06 |