Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11886048 | Lens and eyewear | Hirofumi Asada, Akifumi Aono, Akihiro Muramatsu, Toshifumi Hino | 2024-01-30 |
| 11561412 | Eyewear | Ryuki Kan, Hirofumi Asada, Takafumi Ohto, Masayoshi Hino | 2023-01-24 |
| 11249327 | Lens and eyewear | Hirofumi Asada, Akifumi Aono, Akihiro Muramatsu, Toshifumi Hino | 2022-02-15 |
| 10423011 | Lens, lens blank, and eyewear | Ronald D. Blum, Sophie Adams, David Boyd, Richard Clompus, Mark Graham +9 more | 2019-09-24 |