Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281342 | Pradimicin compounds | Minoru Hirano, Shinji Masuyoshi | 2001-08-28 |
| 5837828 | Pradimicin derivatives | Shimpei Aburaki, Tetsuro Yamasaki, Toshikazu Oki, Seiji Iimura, Hideo Kamei +1 more | 1998-11-17 |
| 5608044 | Pradimic acids, amides, and pradimicin derivatives | Satsuki Okuyama, Takaaki Okita | 1997-03-04 |
| 5414073 | Pradimic acids, amides, and novel pradimicin derivatives | Satsuki Okuyama, Takaaki Okita | 1995-05-09 |
| 5410029 | Pradimicin derivatives | Shimpei Aburaki, Tetsuro Yamasaki, Toshikazu Oki, Seiji Iimura, Hideo Kamei +1 more | 1995-04-25 |
| 5338728 | Pradimicin compounds | Minoru Hirano, Shinji Masuyoshi | 1994-08-16 |
| 5326867 | Pradimic acids, amides, and pradimicin derivatives | Satsuki Okuyama, Takaaki Okita | 1994-07-05 |
| 5234920 | Antibiotic C-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereof | Takaaki Okita, Shinji Masuyoshi, Kiyoto Imae | 1993-08-10 |
| 5227370 | Pradimicin derivatives | Seiji Iimura, Satsuki Okuyama, Shimpei Aburaki, Takayuki Naito, Yasutsugu Ueda +2 more | 1993-07-13 |
| 5194433 | Antibiotic C-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof | Seiji Iimura | 1993-03-16 |
| 5143911 | Antibiotic C-3 di-hydroxyphenyl substituted cephalosporin compounds, compositions and method of use thereof | Kiyoto Imae, Takaaki Okita | 1992-09-01 |
| 5126336 | Antibiotic C-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof | Kiyoto Imae, Shinji Masuyoshi, Seiji Iimura, Takayuki Naito | 1992-06-30 |
| 5095012 | Antibiotic C-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereof | Takaaki Okita, Shinji Masuyoshi, Kiyoto Imae | 1992-03-10 |
| 4935508 | Process for cephem prodrug esters | Takaaki Okita, Satsuki Okuyama, Takayuki Naito | 1990-06-19 |
| 4874856 | 3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereof | Seiji Iimura, Yoshio Abe, Jun Okumura, Takayuki Naito | 1989-10-17 |
| 4708955 | 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof | Seiji Iimura, Yoshio Abe, Jun Okumura, Takayuki Naito | 1987-11-24 |
| 4525473 | Cephalosporins | Shimpei Aburaki, Yukio Narita, Jun Okumura, Takayuki Naito | 1985-06-25 |
| 4507487 | Chemical compounds | Jun Okumura, Takayuki Naito, Masahisa Oka, Haruhiro Yamashita | 1985-03-26 |
| 4474954 | Intermediates for cephalosporin derivatives | Jun Okumura, Takayuki Naito, Masahisa Oka | 1984-10-02 |
| 4457929 | 3-Quaternary ammonium methyl)-substituted cephalosporin derivatives | Jun Okumura, Takayuki Naito | 1984-07-03 |
| 4406899 | Cephalosporins | Shimpei Aburaki, Yukio Narita, Jun Okumura, Takayuki Naito | 1983-09-27 |
| 4394503 | Cephalosporin derivatives | Jun Okumura, Takayuki Naito, Masahisa Oka | 1983-07-19 |
| 4231928 | Antibacterial agents | Takayuki Naito, Jun Okumura | 1980-11-04 |
| 4198506 | 2-Carboxyalkyl-2,3-dihydro-6-mercapto-s-triazolo[4,3-b]-pyridazin-3-ones | Takayuki Naito, Jun Okumura, Seiji Iimura, Hideaki Hoshi, Masahisa Oka | 1980-04-15 |