Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399929 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga | 2019-09-03 |
| 10399930 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga | 2019-09-03 |
| 10196501 | Polymerizable composition for optical material, optical material produced from same, and process for producing same | Takayuki Hanawa | 2019-02-05 |