Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705852 | 1-oxadethia cephalosporin hydroxamic acid derivatives | Tsutomu Aoki, Yasuhiro Nishitani | 1987-11-10 |
| 4614797 | Cephalosporin hydroxamic acids | Tsutomu Aoki, Yasuhiro Nishitani | 1986-09-30 |
| 4605738 | Production of 1-phthalidyl-5-fluorouracil derivatives | Susumu Kamata, Nobuhiro Haga, Takeaki Matsui | 1986-08-12 |
| 4604460 | 1-oxadethiacepham compounds | Mitsuru Yoshioka, Uyeo Shoichiro, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1986-08-05 |
| 4592865 | Azetidinone intermediates for cephalosporin analogs | Masayuki Narisada, Hiroshi Onoue, Teruji Tsuji, Yasuhiro Nishitani, Mitsuru Yoshioka +1 more | 1986-06-03 |
| 4570018 | Fluorocyclopropanes | Tsutomu Aoki, Hiromi Takahashi, Toshiro Konoike, Teruji Tsuji | 1986-02-11 |
| 4555578 | Mercaptotetrazolylalkanohydroxamic acids, salts and ester thereof | Tsutomu Aoki | 1985-11-26 |
| 4539148 | Production of 1-oxacephams and intermediates | Sadao Yamamoto, Hikaru Itani, Hiromi Takahashi, Teruji Tsuji | 1985-09-03 |
| 4533730 | 1-Oxadethiacepham compounds | Mitsuru Yoshioka, Uyeo Shoichiro, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1985-08-06 |
| 4529721 | Vinylthioacetamido oxacephalosporin derivatives | Mitsuru Yoshioka, Yasuhiro Nishitani, Tsutomu Aoki, Toshiro Konoike, Tadatoshi Kubota | 1985-07-16 |
| 4511738 | Process for preparing phosphine oxides | Kanji Tokuyama, Yasuhiro Nishitani, Mamoru Tanaka | 1985-04-16 |
| 4508909 | Synthesis of hydroxyethyltetrazolethiol and etherified intermediates therefor | Yasuhiro Nishitani, Hisao Sato | 1985-04-02 |
| 4504659 | 1-Oxadethiacepham compounds | Mitsuru Yoshioka, Uyeo Shoichiro, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1985-03-12 |
| 4478997 | 1-Oxadethiacepham compounds | Mitsuru Yoshioka, Shoichiro Uyeo, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1984-10-23 |
| 4448720 | Inversion of the 3.alpha.-amino group attached to the .beta.-lactam ring | Tsutomu Aoki | 1984-05-15 |
| 4443598 | 1-Oxadethiacepham compounds | Mitsuru Yoshioka, Uyeo Shoichiro, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1984-04-17 |
| 4440683 | Cyclization to form cephem ring and azetidinone intermediates therefor | Teruji Tsuji, Yoshio Hahashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1984-04-03 |
| 4394505 | 5-Fluorouracil derivatives | Susumu Kamata | 1983-07-19 |
| 4366316 | 1-Oxadethiacepham compounds and process for producing said compounds | Mitsuru Yoshioka, Shoichiro Uyeo, Yoshio Hamashima, Ikuo Kikkawa, Teruji Tsuji | 1982-12-28 |
| 4346218 | Cyclization process to form cephem ring | Teruji Tsuji, Yoshio Hamashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1982-08-24 |
| 4342685 | Inversion of the 3 .alpha.-amino group attached to the .beta.-lactam ring | Tsutomu Aoki | 1982-08-03 |
| 4336381 | 5-Fluorouracil derivatives | Susumu Kamata | 1982-06-22 |
| 4332722 | Cyclization to form cephem ring and intermediates therefor | Teruji Tsuji, Yoshio Hamashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1982-06-01 |
| 4323567 | Arylmalonamido-1-oxadethiacephalosporins | Masayuki Narisada | 1982-04-06 |
| 4283333 | .alpha.-[4-Oxoazetidin-1-yl]-acetic acid compounds useful as intermediates in preparing 1-oxadethiacephalosporins | Mitsuru Yoshioka, Yoshio Hamashima | 1981-08-11 |