Douken; Yayoi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douken; Yayoi.The latest application filed is for "sustained-release preparation".
- Douken; Yayoi - Osaka JP
| Patent | Date |
|---|---|
| Sustained-release preparation capable of releasing a physiologically active substance Grant 6,699,500 - Okada , et al. March 2, 2 | 2004-03-02 |
| Sustained-release preparation App 20020031545 - Okada, Hiroaki ; et al. | 2002-03-14 |
| Production of sustained-release preparation for injection Grant 6,190,700 - Okada , et al. February 20, 2 | 2001-02-20 |
| Sustained-release preparation capable of releasing a physiologically active substance Grant 6,113,943 - Okada , et al. September 5, 2 | 2000-09-05 |
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