Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822788 | 1-sulfo-2-oxozetidine derivatives and their product ion | Shoji Kishimoto, Michihiko Ochiai | 1989-04-18 |
| 4822790 | 1-Sulfo-2-oxoazetidine derivatives and their production | Michihiko Ochiai | 1989-04-18 |
| 4782147 | 1-sulfo-2-oxoazetidine derivatives and their production | Michihiko Ochiai, Shoji Kishimoto | 1988-11-01 |
| 4771045 | 2-oxozetidinone derivatives, their production and use | Michihiko Ochiai | 1988-09-13 |
| 4725591 | .beta.-lactamase inhibitory composition | Mitsuzo Kuno, Kenji Okonogi | 1988-02-16 |
| 4684724 | 4-Cyano-2-azetidinones and production thereof | Michihiko Ochiai, Shoji Kishimoto | 1987-08-04 |
| 4675397 | 1-sulfo-2-oxoazetidine derivatives and their production | Michihiko Ochiai, Shoji Kishimoto | 1987-06-23 |
| 4673739 | 4-carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production | Michihiko Ochiai, Shoji Kishimoto | 1987-06-16 |
| 4665067 | 1-Sulfo-2-oxoazetidine derivatives and their production | Shoji Kishimoto, Michihiko Ochiai | 1987-05-12 |
| 4572801 | 4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production | Michihiko Ochiai, Shoji Kishimoto | 1986-02-25 |
| 4560508 | 4-Cyano-2-azetidinones and production thereof | Michihiko Ochiai, Shoji Kishimoto | 1985-12-24 |
| 4550105 | 1-Sulfo-2-oxoazetidine derivatives and their production | Shoji Kishimoto, Michihiko Ochiai | 1985-10-29 |
| 4416817 | 3-Methoxy-2-oxoazetidine derivatives and their production | Michihiko Ochiai | 1983-11-22 |
| 4182866 | 3-Heterocyclic substituted cephem compounds | Takuichi Miki, Tohru Sugawara, Hirotomo Masuya | 1980-01-08 |