Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7390909 | Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes | Shigeru Kawahara, Kenichi Mori, Nao Funakoshi, Tadashi Takemoto | 2008-06-24 |
| 7329427 | Process for producing γ-hydroxyamino acid derivatives and monatins | Shigeru Kawahara | 2008-02-12 |
| 7297800 | Process of producing glutamate derivatives | Masakazu Sugiyama, Kunihiko Watanabe, Nao Funakoshi, Shigeru Kawahara, Tadashi Takemoto | 2007-11-20 |
| 7244462 | Amino acid derivative and sweetening agent | Kazuko Hirasawa | 2007-07-17 |
| 7238830 | N-alkylaspartyl dipeptide ester compounds | Kazuko Yuzawa, Tadashi Takemoto, Ryoichiro Nakamura | 2007-07-03 |
| 7115296 | N-alkylaspartyl amide derivative and sweetening agent | Kazuko Yuzawa | 2006-10-03 |
| 7064219 | Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes | Shigeru Kawahara, Kenichi Mori, Nao Funakoshi, Tadashi Takemoto | 2006-06-20 |
| 6939987 | Method for producing Aspartame derivative, method for purifying the same, crystals thereof and uses of the same | Kazuko Yuzawa, Tadashi Takemoto | 2005-09-06 |
| 6899912 | Method for producing aspartame derivative, method for purifying the same, crystals thereof and uses of the same | Kazuko Yuzawa, Tadashi Takemoto | 2005-05-31 |
| 6794531 | Process for production of aspartyl dipeptide ester derivative, novel production intermediate therefor, and process for production thereof | Kazutaka Nagashima, Yuuichi Aoki, Tadashi Takemoto, Nao Funakoshi, Eriko Ono | 2004-09-21 |
| 6649784 | Aspartyl dipeptide ester derivatives and sweeteners | Tadashi Takemoto, Kazuko Yuzawa, Ryoichiro Nakamura | 2003-11-18 |
| 6630191 | Aspartyl dipeptide ester derivatives and sweeteners | Kazuko Yuzawa, Tadashi Takemoto, Ryoichiro Nakamura | 2003-10-07 |
| 6548096 | Aspartyl dipeptide ester derivatives and sweeteners | Kazuko Yuzawa, Tadashi Takemoto, Ryoichiro Nakamura | 2003-04-15 |
| 6335461 | Process for purification of aspartame derivative | Tadashi Takemoto | 2002-01-01 |
| 6010733 | Aspartylamide derivatives and sweeteners | Tadashi Takemoto, Ryoichiro Nakamura | 2000-01-04 |
| 5968581 | Dipeptide derivatives and sweetening agents | Ryoichiro Nakamura, Tadashi Takemoto | 1999-10-19 |
| 5958496 | Aspartyl dipeptide amide derivatives and sweeteners | Ryoichiro Nakamura, Tadashi Takemoto | 1999-09-28 |
| 5795612 | Aspartyldipeptideamine derivatives and sweetner | Tadashi Takemoto, Ryoichiro Nakamura | 1998-08-18 |
| 5723165 | Aspartyldipeptide derivatives and sweetener compositions containing the same | Tadashi Takemoto, Ryoichiro Nakamura | 1998-03-03 |
| 5106962 | Process for preparing 2',3'-dideoxy nucleoside derivatives | Hisao Iwagami | 1992-04-21 |