Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399929 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2019-09-03 |
| 10399930 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2019-09-03 |
| 10239239 | Internal release agent, composition including internal release agent, and process for producing a plastic lens using same composition | Kouju OKAZAKI, Motoharu OIKI | 2019-03-26 |