Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5208383 | Process for producing aromatic acylation product | Tadayoshi Takefumi, Yoshihiro Shiokawa, Shunichi Matsumoto | 1993-05-04 |
| 5011987 | Process for manufacturing high-purity o-toluic acid | Tadayoshi Takefumi, Shunichi Matsumoto, Yoshihiro Shiokawa | 1991-04-30 |
| 4967011 | Process for decomposing aromatic acylated compound.HF-BF.sub.3 complex | Tadayoshi Takefumi, Shunichi Matsumoto, Tatsuhiko Yanagawa, Yoshihiro Shiokawa, Ichiyo Ohtsuka | 1990-10-30 |