Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039532 | Heterocyclic compound, ultraviolet absorbent and composition containing the same | Naoyuki Hanaki, Masuji Motoki | 2011-10-18 |
| 7884146 | Polymer material containing ultraviolet absorbent | Naoyuki Hanaki, Hisashi Mikoshiba, Akihiro Kaneko | 2011-02-08 |