Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087742 | Process for preparing aromatic polycarboxylic acids | Kazuo Yoshida, Toshiharu Matsuda, Yutaka Konai | 1992-02-11 |
| 4960945 | Process for the production of halobenzophenone derivatives | Takashi Terauchi, Kazuo Yoshida, Yoshihisa Machida, Yutaka Konai | 1990-10-02 |