Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38257 | Piperdine derivatives and hypotensives containing the same | Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Yoshikatsu Koyama +1 more | 2003-09-23 |
| 5393890 | Piperidine derivatives and hypotensives containing the same | Masataka Syoji, Kozo Toyota, Chikahiko Eguchi, Ryoto Yoshimoto, Yoshikatsu Koyama +1 more | 1995-02-28 |
| 5250681 | Piperidine derivatives and hypotensives containing the same | Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Yoshikatsu Koyama +1 more | 1993-10-05 |
| 5231105 | Ethylamine derivatives and antihypertensives containing the same | Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Yosikatsu Koyama +1 more | 1993-07-27 |
| 5216172 | 1,4-dihydropyridine-4-aryl-2,6-dimethyl-3,5-dicarboxylates useful as agents against drug resistant tumor cells | Kouzou Toyota, Hisashi Shinkai, Hirozumi Eto, Chikahiko Eguchi, Koji Ohsumi +1 more | 1993-06-01 |