Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837828 | Pradimicin derivatives | Shimpei Aburaki, Tetsuro Yamasaki, Toshikazu Oki, Seiji Iimura, Hajime Kamachi +1 more | 1998-11-17 |
| 5696096 | Pradimicin derivatives | Shimpei Aburaki, Haruhiro Yamashita | 1997-12-09 |
| 5410029 | Pradimicin derivatives | Shimpei Aburaki, Tetsuro Yamasaki, Toshikazu Oki, Seiji Iimura, Hajime Kamachi +1 more | 1995-04-25 |
| 5374711 | "Chemical modification of 2""-amino group in elsamicin a" | Soichiro Toda, Haruhiro Yamashita, Yuji Nishiyama | 1994-12-20 |
| 5237055 | "Chemical modification of 2""-amino group in elsamicin A" | Soichiro Toda, Haruhiro Yamashita, Yuji Nishiyama | 1993-08-17 |
| 5229371 | Chemical modification of elsamicin A at the 3' and/or 4' OH groups | Soichiro Toda, Haruhiro Yamashita, Yuji Nishiyama | 1993-07-20 |
| 5227370 | Pradimicin derivatives | Hajime Kamachi, Seiji Iimura, Satsuki Okuyama, Shimpei Aburaki, Yasutsugu Ueda +2 more | 1993-07-13 |
| 5126336 | Antibiotic C-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof | Kiyoto Imae, Hajime Kamachi, Shinji Masuyoshi, Seiji Iimura | 1992-06-30 |
| 5066645 | Epipodophyllotoxin altroside derivatives | Takeshi Ohnuma, Hideaki Hoshi, Hideo Kamei | 1991-11-19 |
| 5036055 | Acylated derivatives of etoposide | Takeshi Ohnuma, Rika Obata, Hideo Kamei | 1991-07-30 |
| 5034380 | Alkoxymethylidene epipodophyllotoxin glucosides | Takeshi Ohnuma, Hideo Kamei | 1991-07-23 |
| 4935508 | Process for cephem prodrug esters | Hajime Kamachi, Takaaki Okita, Satsuki Okuyama | 1990-06-19 |
| 4912204 | Fluoro-substituted epipodophyllotoxin glucosides | Takeshi Ohnuma, Tetsuro Yamasaki, Hideo Kamei | 1990-03-27 |
| 4874856 | 3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereof | Seiji Iimura, Yoshio Abe, Jun Okumura, Hajime Kamachi | 1989-10-17 |
| 4751295 | Cephalosporin derivatives | Masahisa Oka, Haruhiro Yamashita, Jun Okumura | 1988-06-14 |
| 4708955 | 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof | Seiji Iimura, Yoshio Abe, Jun Okumura, Hajime Kamachi | 1987-11-24 |
| 4699979 | 7-amino-3-propenylcephalosporanic acid and esters thereof | Hideaki Hoshi, Jun Okumura, Yoshio Abe, Shimpei Aburaki | 1987-10-13 |
| 4661590 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Yoshio Abe, Shimpei Aburaki | 1987-04-28 |
| 4659812 | Cephalosporin intermediates | Shimpei Aburaki, Yukio Narita, Jun Okumura, Donald G. Walker | 1987-04-21 |
| 4619925 | 3-Propenyl cephalosporin derivatives | Hideaki Hoshi | 1986-10-28 |
| 4591641 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Yoshio Abe, Shimpei Aburaki | 1986-05-27 |
| 4525473 | Cephalosporins | Shimpei Aburaki, Hajime Kamachi, Yukio Narita, Jun Okumura | 1985-06-25 |
| 4520022 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Yoshio Abe, Shimpei Aburaki | 1985-05-28 |
| 4507487 | Chemical compounds | Hajime Kamachi, Jun Okumura, Masahisa Oka, Haruhiro Yamashita | 1985-03-26 |
| 4500526 | Cephalosporin derivatives | Kiyoto Imae, Shimpei Aburaki, Yukio Narita, Jun Okumura | 1985-02-19 |