Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268386 | Certain 3,4-dihydro 4-oxospiro [2H-1 benzopyrans] useful for treating hyperuricemia | Hiroshi Harada, Eiichi Ohsugi, Toshihiro Shinosaki | 1993-12-07 |
| 4918206 | Sulfamoyl-2-benzofurancarboxylic acid derivative | Hiroshi Harada, Yoshihiro Matsushita, Masuhisa Nakamura | 1990-04-17 |
| 4659709 | 2,3-dihydrobenzofuran-5-sulfonamide derivatives useful as antihypertensive diuretic agents | Hiroshi Harada, Yoshihiro Matsushita, Masuhisa Nakamura | 1987-04-21 |
| 4595767 | 1,4-benzodioxine and 1,4-benzodioxine derivatives and production thereof | Hiroshi Itazaki, Kunio Hayashi, Munenori Matsuura, Masuhisa Nakamura | 1986-06-17 |