Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469621 | Method for producing multisubstituted biphenyl compound and solid catalyst to be used therein | Tamao Ishida, Makoto Tokunaga, Akiyuki Hamasaki, Syohei Aikawa, Yoshiyuki Mise +2 more | 2016-10-18 |
| 7271281 | Preparation of 2,3,3′,4′ -biphenyltetracarboxylic acid tetraester | Yasushi Yamamoto, Shinji Yasuda | 2007-09-18 |
| 6914152 | Method for producing biphenyl and its derivatives | Yasushi Yamamoto, Jun Haruta | 2005-07-05 |
| 6914154 | Process for production of biphenyltetracarboxylic acid tetraesters | Yasushi Yamamoto, Jun Haruta, Kikuo Ataka, Noboru Kakeya | 2005-07-05 |