Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902885 | Production of L-ascorbic acid | Mitsutaka Tanaka, Toru Yamano | 1999-05-11 |
| 5424478 | Process for producing vitamin A derivatives | Mitsutaka Tanaka, Tadashi Hanaoka | 1995-06-13 |
| 5247095 | Intermediates for D-biotin synthesis and their production | Toru Yamano, Kazuo Nakahama | 1993-09-21 |
| 4845246 | Ascorbic acid ester | Mitsutaka Tanaka, Toru Yamano | 1989-07-04 |
| 4794182 | 2-Alkyl-4-amino-5-aminomethylpyrimidines | Toru Yamano, Mitsutaka Tanaka | 1988-12-27 |
| 4755598 | 1 '-(substituted)ethyl-7.beta.-[2-(2-aminothiazol-4-yl)acetamido]-3-[[[1-(2 -dimethylaminoethyl)-1H-tetrazol-5-yl]thio]methyl]ceph-3-em-4-carboxylate derivatives having antibacterial utility | Tomoyuki Fujii, Mitsuo Numata | 1988-07-05 |
| 4695639 | Thiazole derivatives | Tsuneaki Yoshida, Shoichiro Fujii | 1987-09-22 |
| 4316018 | Crystallized cephalosporin salts | Yoshinobu Yoshimura, Nobuhide Morikawa | 1982-02-16 |