Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34091 | Sialic acid derivatives having active carbonyl group | Shohei Shibayama, Masaaki Numata, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1992-10-06 |
| 5077397 | Sialic acid derivative with active ester groups | Makoto Tanaka | 1991-12-31 |
| 5057605 | Sialocylglycerolipids and method for preparing the same | Yuzi Matsuzaki, Mamoru Sugimoto, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1991-10-15 |
| 4990603 | Sialic acid derivatives and process therefor | Tomoya Ogawa, Mamoru Sugimoto, Masaaki Numata, Masayoshi Ito, Yoshiyasu Shitori | 1991-02-05 |
| 4963653 | Sialic acid-bonded octapeptide and preparation thereof | Yoshitaka Nagai, Shohei Shibayama, Masaaki Numata, Makoto Tanaka, Masayoshi Ito +5 more | 1990-10-16 |
| 4950750 | Glycolipid containing N-glycolylneuraminic acid and method of producing the same | Tomoya Ogawa, Masaaki Numata, Mamoru Sugimoto, Shohei Shibayama, Masayoshi Ito +1 more | 1990-08-21 |
| 4921948 | Sialosyl glyceride and process for producing the same | Yuzi Matsuzaki, Mamoru Sugimoto, Masayoshi Ito, Tomoya Ogawa | 1990-05-01 |
| 4918177 | Sialic acid derivatives having active carbonyl group | Shohei Shibayama, Masaaki Numata, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1990-04-17 |
| 4880572 | Un-natural ceramide related compounds and preparation thereof | Shuji Fujita, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1989-11-14 |
| 4797477 | Process for preparing sialic acid derivatives | Yoichiro Tani, Youzi Matsuzaki, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1989-01-10 |
| 4774326 | Process for preparing N-glycolylneuraminic acid derivatives | Shohei Shibayama, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1988-09-27 |
| 4691012 | Sialic acid derivative and process for preparing the same | Haruo Ogura, Kimio Furuhata, Toshiaki Osawa, Satoshi Toyoshima, Yoshiyasu Shitori +1 more | 1987-09-01 |
| 4675391 | Glycoside derivatives | Shohei Shibayama, Yuzi Matsuzaki, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1987-06-23 |
| 4663443 | N-substituted neuraminic acid derivatives | Shohei Shibayama, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa | 1987-05-05 |
| 4436904 | Cephalosporins | Shigeo Shimizu, Hiroyuki Takano, Kinji Takada | 1984-03-13 |