Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508173 | Composition for optical material and optical material using the same | Yousuke IMAGAWA, Akinobu HORITA, Yoshiaki Yamamoto | 2019-12-17 |
| 10472343 | Method for producing 1,2,3,5,6-pentathiepane | Hiroyuki Tanagi, Yoshiaki Yamamoto | 2019-11-12 |