Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464612 | Solid preparation comprising ion exchanger and active agent | Hiroshi Matoba, Shinji Ohmori, Hiroyoshi Koyama | 1995-11-07 |
| 5443846 | Granulated preparations and method of producing the same | Minoru Yoshioka, Hidetoshi Horibe | 1995-08-22 |
| 5194464 | Enteric film and preparatoin thereof | Shunichi Itoh, Hiroyoshi Koyama, Shin-ichiro Hirai | 1993-03-16 |
| 4772627 | Ground mixture | Masakazu Matsui, Shigeharu Yokohama | 1988-09-20 |