Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540904 | Composition for ultraviolet absorbent substance and ultraviolet absorbent substance comprising same | Yusaku Masuhara, Katsumasa Yamamoto | 2013-09-24 |
| 7829730 | Process for production of methylene disulfonate compound | Takehiro Hiyama, Takeshi Takeuchi, Hirokazu Kagano | 2010-11-09 |