Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948413 | Physiologically active agent for agriculture use | Yoshio Maekawa, Osamu Yagyu, Minoru Okumura, Shigeru Isoda, Kaoru Yagi | 1990-08-14 |
| 4908373 | 1-[2-(4-Hydroxybenzoyl)ethanoyl]-2-piperidone and a process for production as well as alcohol fermentation promoter containing the same as effective ingredient | Minoru Okumura, Yoshio Maekawa, Osamu Yagiyu | 1990-03-13 |