Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11267937 | Method for producing dihydroxynaphthalene condensate and dihydroxynaphthalene condensate | Daisuke KORI, Seiichiro Tachibana, Tsutomu Ogihara, Yukio Abe, Fumihiro Hatakeyama +1 more | 2022-03-08 |