Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809533 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga | 2017-11-07 |
| 9678246 | Polymerizable composition for optical material | Nobuo Kawato, Tatsuya Ogawa, Toshiya Hashimoto, Mamoru Tanaka | 2017-06-13 |