Sugihara; Hirosada
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugihara; Hirosada.The latest application filed is for "2-piperazinone compounds and their use".
- Sugihara; Hirosada - Mishima JP
- Sugihara; Hirosada - Osaka JP
| Patent | Date |
|---|---|
| 2-piperazinone compounds and their use Grant 5,294,713 - Sugihara , et al. March 15, 1 | 1994-03-15 |
| Trisubstituted piperazine compounds, their production and use Grant 4,997,836 - Sugihara , et al. March 5, 1 | 1991-03-05 |
| 1,4-disubstituted piperazines (or homopiperazines) as platelet-activating factor antagonists Grant 4,880,809 - Sugihara , et al. November 14, 1 | 1989-11-14 |
| Piperidine derivatives Grant 4,871,842 - Sugihara , et al. October 3, 1 | 1989-10-03 |
| Condensed, seven-membered ring compounds and their use Grant 4,564,612 - Sugihara , et al. January 14, 1 | 1986-01-14 |
| 1-Azaxanthone-3-carboxylic acids Grant 4,143,042 - Nohara , et al. March 6, 1 | 1979-03-06 |
| Aminotetralols Grant 4,035,512 - Sugihara , et al. July 12, 1 | 1977-07-12 |
| 5,6-Dihydroxy aminotetralol compounds Grant 4,010,202 - Sugihara , et al. March 1, 1 | 1977-03-01 |
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