Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238830 | N-alkylaspartyl dipeptide ester compounds | Yusuke Amino, Kazuko Yuzawa, Tadashi Takemoto | 2007-07-03 |
| 6649784 | Aspartyl dipeptide ester derivatives and sweeteners | Yusuke Amino, Tadashi Takemoto, Kazuko Yuzawa | 2003-11-18 |
| 6630191 | Aspartyl dipeptide ester derivatives and sweeteners | Yusuke Amino, Kazuko Yuzawa, Tadashi Takemoto | 2003-10-07 |
| 6548096 | Aspartyl dipeptide ester derivatives and sweeteners | Yusuke Amino, Kazuko Yuzawa, Tadashi Takemoto | 2003-04-15 |
| 6010733 | Aspartylamide derivatives and sweeteners | Tadashi Takemoto, Yusuke Amino | 2000-01-04 |
| 5968581 | Dipeptide derivatives and sweetening agents | Yusuke Amino, Tadashi Takemoto | 1999-10-19 |
| 5958496 | Aspartyl dipeptide amide derivatives and sweeteners | Yusuke Amino, Tadashi Takemoto | 1999-09-28 |
| 5795612 | Aspartyldipeptideamine derivatives and sweetner | Tadashi Takemoto, Yusuke Amino | 1998-08-18 |
| 5723165 | Aspartyldipeptide derivatives and sweetener compositions containing the same | Tadashi Takemoto, Yusuke Amino | 1998-03-03 |
| 5723651 | Process for producing .alpha.-l-aspartyldipeptide amide derivatives | Toyoto Hijiya, Tadashi Takemoto, Yusuki Amino, Naoko Sugiyama | 1998-03-03 |
| 5294714 | 2,5-dioxopiperazine compounds and method for preparing .alpha.-aspartyl-L-phenylalanine methyl ester derivatives | Tadashi Takemoto | 1994-03-15 |