Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11934045 | Eyewear, and non-transitory computer-readable recording medium | Ryuki Kan, Takafumi Ohto, Akihiro Muramatsu, Akifumi Aono | 2024-03-19 |
| 11914231 | Lens, lens blank, and eyewear | Yoshinobu Okada, Akifumi Aono | 2024-02-27 |
| D983865 | Spectacles | Yoshinobu Okada, Akihiro Muramatsu | 2023-04-18 |
| 11513368 | Lens unit | Ryuki Kan, Akihiro Muramatsu, Akifumi Aono | 2022-11-29 |
| 11314119 | Lens, lens blank, and eyewear | Yoshinobu Okada, Toshifumi Hino, Akifumi Aono, Akihiro Muramatsu | 2022-04-26 |
| 10859865 | Lens, lens blank, and eyewear | Yoshinobu Okada, Toshifumi Hino, Akifumi Aono, Akihiro Muramatsu | 2020-12-08 |