Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435202 | Plant growth regulator | Masuo Koizumi, Norio Shirakawa, Masaki Takeuchi, Masanori Okada, Masahiro Yoshimoto +2 more | 1984-03-06 |
| 4377407 | Isonicotinanilide derivatives, plant growth regulating compositions and use | Norio Shirakawa, Masuo Koizumi, Masaki Takeuchi, Hiroshi Sugiyama, Masanori Okada +3 more | 1983-03-22 |
| 4210440 | Urea derivatives, process for preparing the same and herbicidal composition containing the same | Masanori Okada, Yasushi Murakami, Norio Shirakawa, Kunihiko Togashi | 1980-07-01 |