Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7148042 | Method of preparing a guanosine-group compound and an intermediate thereof | Seiichiro Matsumoto, Yoshinori Hayashi, Toyoki Sato | 2006-12-12 |
| 7141396 | Method of preparing a guanosine-group compound and an intermediate thereof | Seiichiro Matsumoto, Yoshinori Hayashi, Toyoki Sato | 2006-11-28 |
| 7141397 | Method of preparing a guanosine-group compound and an intermediate thereof | Seiichiro Matsumoto, Yoshinori Hayashi, Toyoki Sato | 2006-11-28 |
| 6620596 | Method of preparing a guanosine-group compound | Seiichiro Matsumoto, Yoshinori Hayashi, Toyoki Sato | 2003-09-16 |
| 6017736 | Method of preparing purine nucleoside compound | Seiichiro Matsumoto, Shinjhi Yoshinaka, Yonosuke Sunaga, Ayumi Hasegawa | 2000-01-25 |
| 5231088 | Chemicals for protection of plant and removal of plant virus, and producing method thereof | Michiko Aoki, Motomu Tan, Kuniaki Ono, Susumu Kubo, Tadaharu Hieda +1 more | 1993-07-27 |
| 4395465 | Magnetic recording medium and process for production thereof | Toshinori Takagi, Shinsaku Nakata, Masahiro Hotta, Yoshiyuki Fukumoto | 1983-07-26 |