Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352801 | Cephem derivatives and antibacterial agents comprising said compounds | Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-10-05 |
| 4344944 | 7-.alpha.-methoxycephalosporin derivatives, and antibacterial drugs onctaining the same | Yoshimasa Machida, Isao Saito, Shigeto Negi, Hironori Ikuta, Kyosuke Kitoh | 1982-08-17 |
| 4331606 | N-(Substituted chromone-3-carbonyl)-phenylglycine derivatives | Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-05-25 |
| 4309354 | Chromone derivatives | Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-01-05 |
| 4285939 | Cephalosporin derivatives, and antibacterial drugs containing the derivatives | Yoshimasa Machida, Isao Saito, Motosuke Yamanaka, Shigeto Negi, Kyosuke Kitoh +4 more | 1981-08-25 |
| 4285940 | Cephalosporin derivatives, and antibacterial drugs comprising said derivatives | Yoshimasa Machida, Isao Saito, Shigeto Negi, Hironori Ikuta, Kyosuke Kitoh | 1981-08-25 |
| 4285941 | Cephalosporin compounds and antibacterial drugs containing the same | Yoshimasa Machida, Isao Saito, Shigeto Negi, Takeo Kanai, Kyosuke Kitoh +3 more | 1981-08-25 |