Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809533 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2017-11-07 |
| 9720137 | Eyewear material, eyewear frame, and eyewear | Satoshi Yamasaki, Goro Kuwamura, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa +8 more | 2017-08-01 |
| 9708260 | Method for producing meta-xylylenediamines and method for producing bisamide compound | Kouya Kojima, Hidetaka Tsukada, Mamoru Takashina, Chitoshi Shimakawa | 2017-07-18 |
| 9670148 | Method for producing meta-xylylenediisocyanates | Kouya Kojima, Hidetaka Tsukada, Mamoru Takashina, Chitoshi Shimakawa | 2017-06-06 |