Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951942 | Crystals of phenylalanine derivatives and production methods thereof | Shinichiro Takahashi, Noriyasu Kataoka, Akinori Tatara | 2011-05-31 |
| 7683169 | Crystals of phenylalanine derivatives and production methods thereof | Shinichiro Takahashi, Noriyasu Kataoka, Akinori Tatara | 2010-03-23 |
| 6172224 | Process for isolating 2-amino-6-chloro-9-[(1'S,2'R)-1'2'-bis(hydroxymethyl)-cyclopropane-1'-YL]m ethylpurine and an optical isomer thereof | Noriyasu Kataoka, Masanobu Yatagai | 2001-01-09 |
| 6114525 | Method for purifying nucleic acid derivatives | Tohru Nishiwaki, Seiichi Nishi, Masanobu Yatagai | 2000-09-05 |
| 5925756 | Cyclopropane derivatives and method of preparing the same | Tomoyuki Onishi, Takashi Tsuji | 1999-07-20 |
| 5808134 | Cyclopropane derivatives and method of preparing the same | Tomoyuki Onishi, Takashi Tsuji | 1998-09-15 |
| 5777116 | Cyclopropane derivatives and method of preparing the same | Tomoyuki Onishi, Takashi Tsuji | 1998-07-07 |
| 5556994 | Cyclopropane derivatives and method of preparing the same | Tomoyuki Onishi, Takashi Tsuji | 1996-09-17 |