Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9522857 | 3,3′,4,4′-tetraalkyl cyclohexylbenzene and method for producing same | Yasushi Yamamoto | 2016-12-20 |
| 9394226 | 3,4-dialkylbiphenyldicarboxylic acid compound, 3,4-dicarboalkoxybiphenyl-3′,4′-dicarboxylic acid and corresponding acid anhydrides, and processes for producing these compounds | Yasushi Yamamoto, Yasutaka Yoshida, Yoshihiro Yamauchi, Tetsurou Tsuji | 2016-07-19 |
| 8859801 | 3,4-dialkylbiphenyldicarboxylic acid compound, 3,4-dicarboalkoxybiphenyl-3', 4'-dicarboxylic acid and corresponding acid anhydrides, and processes for producing these compounds | Yasushi Yamamoto, Yasutaka Yoshida, Yoshihiro Yamauchi, Tetsurou Tsuji | 2014-10-14 |
| 8772529 | Catalyst for alkylation and process for producing alkylaromatic hydrocarbon compound using the catalyst | Yasushi Yamamoto | 2014-07-08 |