Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210222 | Frame and eyewear | Akihiro Muramatsu, Ryuki Kan | 2025-01-28 |
| 11934045 | Eyewear, and non-transitory computer-readable recording medium | Ryuki Kan, Akihiro Muramatsu, Eiichiro HIKOSAKA, Akifumi Aono | 2024-03-19 |
| 11614641 | Eyewear | Akihiro Muramatsu, Akifumi Aono, Ryuki Kan, Sho TANAKA | 2023-03-28 |
| 11561412 | Eyewear | Ryuki Kan, Hirofumi Asada, Tsuyoshi Kamibeppu, Masayoshi Hino | 2023-01-24 |
| 11402668 | Frame component, temple, frame, and eyewear | Ryuki Kan, Osamu Masuda | 2022-08-02 |
| 11294204 | Sensor module, temple, frame and eyewear | Ryuki Kan, Osamu Masuda | 2022-04-05 |
| 11294199 | Eyewear | Ryuki Kan, Osamu Masuda | 2022-04-05 |
| D860304 | Eyeglasses | Ryuki Kan, Osamu Masuda, Hortense Desodt, Thomas Overthun, Martin Kay +2 more | 2019-09-17 |
| D848523 | Eyeglasses | Ryuki Kan, Osamu Masuda, Masayoshi Hino | 2019-05-14 |