RK

Ryuki Kan

MC Mitsui Chemicals: 4 patents #3 of 172Top 2%
Overall (2022): #27,691 of 548,613Top 6%
5
Patents 2022

Issued Patents 2022

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11513368 Lens unit Eiichiro HIKOSAKA, Akihiro Muramatsu, Akifumi Aono 2022-11-29
11425977 Eyewear case Masayoshi Hino, Akihiro Muramatsu 2022-08-30
11402668 Frame component, temple, frame, and eyewear Takafumi Ohto, Osamu Masuda 2022-08-02
11294199 Eyewear Takafumi Ohto, Osamu Masuda 2022-04-05
11294204 Sensor module, temple, frame and eyewear Takafumi Ohto, Osamu Masuda 2022-04-05