Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975910 | Hetero-fused cyclic compound | Keigo Tanaka, Takashi Fukuyama, Norio Murai, Wataru Itano, Shinsuke Hirota +1 more | 2018-05-22 |
| 8436009 | Prodrug of triazolone compound | Richard Clark, Fumiyoshi Matsuura, Masanobu Shinoda, Shinsuke Hirota, Kazunobu Kira +5 more | 2013-05-07 |
| 8163787 | Triazolone derivatives | Richard Clark, Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Tadashi Nagakura +5 more | 2012-04-24 |
| 7928228 | Triazolone derivatives | Richard Clark, Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Tadashi Nagakura +5 more | 2011-04-19 |
| 7816522 | Triazolone derivatives | Richard Clark, Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Tadashi Nagakura +5 more | 2010-10-19 |
| 7041317 | Sustained-release preparation containing 5-acetyl-4,6-dimethyl-2[2-[4-(2-methoxyphenyl) piperazinyl]ethylamino] pyrimidine trihydrochloride as active ingredient | Noboru Sekiya, Yoshinori Ii, Masayuki Ishikawa | 2006-05-09 |
| 6291485 | 4,5-dihydro-[1H]-benz[g]indazole-3-carboxylic acid derivatives | Haruo Yamashita, Katsuyuki Keino, Shuji Ota, Takahisa Saito, Shuichiro Sato +3 more | 2001-09-18 |
| 5145851 | Method for treating urinary obstruction | Masayuki Ishikawa, Shigeru Ito, Tomohiro Yamaguchi | 1992-09-08 |
| 5075308 | Method for treating urinary obstruction | Masayuki Ishikawa, Shigeru Ito | 1991-12-24 |
| 4517189 | 2,6,7,8-Substituted quinazolines, process for production thereof, and use thereof | Masayuki Ishikawa, Akiko Sugimoto, Noriko Takahashi, Yoshimi Takashima | 1985-05-14 |