Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9096566 | Ester group-containing tetracarboxylic acid dianhydride, polyester polyimide precursor, polyesterimide, and methods for producing same | Masatoshi Hasegawa, Yuuki Hashimoto | 2015-08-04 |
| 7321054 | Method of producing poly(ortho-methylphenol) | Rie Azuma | 2008-01-22 |
| 6872858 | Diphenol and process for producing the same | Kouji Muragaki, Hiroyasu Ohno | 2005-03-29 |