Koshiba; Masao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koshiba; Masao.The latest application filed is for "process for preparing 2(1h)-quinazolinone derivatives".
- Koshiba; Masao - Nishinomiya JP
- Koshiba; Masao - Takarazuka JP
- Koshiba; Masao - Amagasaki JA
| Patent | Date |
|---|---|
| Process for preparing 2(1H)-quinazolinone derivatives Grant 4,387,223 - Yamamoto , et al. June 7, 1 | 1983-06-07 |
| Fused quinazolinones and preparation thereof Grant 4,183,932 - Yamamoto , et al. January 15, 1 | 1980-01-15 |
| Nitroquinazolinone compounds having antiviral properties Grant 4,146,717 - Yamamoto , et al. March 27, 1 | 1979-03-27 |
| Process for preparing quinazolinone derivatives and their 2-(N-mono-substituted amino)-phenyl ketone intermediate derivatives Grant 4,096,144 - Yamamoto , et al. June 20, 1 | 1978-06-20 |
| Production of quinazolinone compounds Grant 4,067,868 - Ishizumi , et al. January 10, 1 | 1978-01-10 |
| Triazoloquinazolines Grant 4,002,755 - Yamamoto , et al. January 11, 1 | 1977-01-11 |
| Process for production of quinazoline derivatives Grant 3,926,993 - Ishizumi , et al. December 16, 1 | 1975-12-16 |
| Production of quinazolinone compounds Grant 3,923,710 - Ishizumi , et al. December 2, 1 | 1975-12-02 |
| Production of quinazolinone compounds Grant 3,910,911 - Ishizumi , et al. October 7, 1 | 1975-10-07 |
| Process for producing quanazolinone derivatives Grant 3,865,827 - Yamamoto , et al. February 11, 1 | 1975-02-11 |
| Uricosuric Agent Grant 3,812,257 - Yamamoto , et al. May 21, 1 | 1974-05-21 |
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