Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174877 | Carbapenem compound, their production and use | Shinichi Imamura, Tetsuo Miwa | 2001-01-16 |
| 5492903 | Crystalline esters of (+)-(5R, 6S)-6-[(R)-1-hydroxyethyl]-3-(3-pyridyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]h e | Yoshiharu Maeda, Tetsuya Tsukamoto, Masahiro Mizuno | 1996-02-20 |
| 5183929 | Method for production of T-butyl 3-oxobutyrates and their use | Kenzo Naito, Haruo Shinbo | 1993-02-02 |
| 5162522 | Method for producing cephem compounds | Kenzo Naito, Toshihiko Fujitani | 1992-11-10 |
| 5109131 | Method for production of t-butyl 3-oxobutyrates and their use | Kenzo Naito, Haruo Shinbo | 1992-04-28 |
| 4980464 | Method for production of cephalosporin compounds | Kenzo Naito | 1990-12-25 |
| 4927964 | Method for production of 2-oxyimino-3-oxobutyric acids | Kenzo Naito, Haruo Shinbo | 1990-05-22 |
| 4908444 | Method of producing cephem compounds | Kenzo Naito | 1990-03-13 |
| 4845257 | 4-halogeno-2-oxyimino-3-oxobutyric acids and derivatives | Kenzo Naito | 1989-07-04 |
| 4592974 | Active material for negative poles of alkaline dry cells, and method for making said material | Ryuzo Takeda, Shigeru Ooyama | 1986-06-03 |