Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852867 | Process for preparation of a benzofuran derivative | Hirohito Shimizu, Yoshiaki Kato, Masahiro Shimizu | 2005-02-08 |
| 6686389 | 2,3-dihydrobenzofuran derivatives | Akira Ishikawa, Yoshiaki Kato, Yoshiaki Takashima, Osamu Cynshi | 2004-02-03 |
| 6403639 | 2,3-dihydrobenzofuran derivatives | Akira Ishikawa, Yoshiaki Kato, Yoshiaki Takashima, Osamu Cynshi | 2002-06-11 |
| 6133279 | Therapeutic agents for renal diseases and organ preservatives | Osamu Cynshi, Yoshiaki Takashima, Akira Ishikawa, Yoshiaki Kato | 2000-10-17 |
| 5789436 | 4,6 Di-t-butyl-5-hydroxy-2,3-dihydrobenzothiophene | Yoshiaki Kato, Akira Ishikawa | 1998-08-04 |
| 5663373 | 4-alkoxy-2, 6-di-t-butylphenol derivatives | Yoshiaki Kato, Mitsutaka Yoshida, Osamu Cynshi, Yasuhiro Ohba | 1997-09-02 |
| 5606089 | 4-alkoxy-2, 6-di-t-butylphenol derivatives | Yoshiaki Kato, Mitsutaka Yoshida, Osamu Cynshi, Yasuhiro Ohba | 1997-02-25 |
| 5574178 | 4,6-Di-t-butyl-dihydrobenzofuran-5-ol and its derivatives | Yoshiaki Kato, Mitsutaka Yoshida, Osamu Cynshi, Yasuhiro Ohba | 1996-11-12 |