Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081703 | Polymerizable composition for optical material and optical material | Hidetaka Tsukada, Shinsuke Ito, Naoyuki Kakinuma, Toshihiko Nakagawa, Satoshi Yamasaki | 2018-09-25 |
| 10036464 | Railway vehicle gear device of parallel cardan drive system | Yoshihiko Otsuka, Satoshi Hayashi | 2018-07-31 |