Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7205433 | Crystal of amino acid ester salt and process for producing the same | Eriko Ono | 2007-04-17 |
| 6761767 | Production method of famciclovir and production and crystallization method of intermediate therefor | Takayoshi Torii, Kunisuke Izawa | 2004-07-13 |
| 6022581 | Aggregate crystals of phosphoric acid/lysine/magnesium composite salt and process for producing the same | Toru Ikeda, Kenichi Mori, Toshihide Yukawa, Tadashi Takemoto | 2000-02-08 |
| 5856579 | Adduct salts of novel substituted benzylamines and a process for optically resolving them | Tadashi Takemoto, Teruo Yonekawa | 1999-01-05 |
| 5763657 | Phosphoric acid-amino acid-polyvalent metal composite salt and ruminant feed additive composition | Toru Ikeda, Kenichi Mori, Toshihide Yukawa, Tadashi Takemoto, Hajime Kamada | 1998-06-09 |
| 5723651 | Process for producing .alpha.-l-aspartyldipeptide amide derivatives | Tadashi Takemoto, Ryoichiro Nakamura, Yusuki Amino, Naoko Sugiyama | 1998-03-03 |
| 5679857 | Method of preparing D-amino acid-N-(S)-.alpha.-alkylbenzylamide | Chiaki Mochizuki, Tadashi Takemoto | 1997-10-21 |
| 5629450 | Addition salt of acyl-amino acid and .alpha.-aryl amine and process for optical resolution of .alpha.-arylamine | Teruo Yonekawa, Tadashi Takemoto | 1997-05-13 |
| 5616791 | Method of preparing L-aspartyl-D-.alpha.-aminoalkane carboxylic acid-(S)-N-.alpha.-alkylbenzylamide | Tadashi Takemoto | 1997-04-01 |
| 5616766 | Method for recovering L-phenylalanine | Tadashi Takemoto, Teruo Yonekawa, Chiaki Mochizuki | 1997-04-01 |
| 5581009 | Process for crystallization of L-phenylalanine monomethyl sulfate using added salt | Naoko Sugiyama, Tadashi Takemoto | 1996-12-03 |
| 5530155 | Process for recovering L-phenylalanine | Chiaki Mochizuki, Tadashi Takemoto, Kazutaka Nagashima | 1996-06-25 |
| 5466864 | Method for recovering L-phenylalanine | Tadashi Takemoto, Teruo Yonekawa, Chiaki Mochizuki | 1995-11-14 |
| 4803300 | Process for separation of N-protected-.alpha.-L-aspartyl-L-phenylalanines | Tadashi Takemoto, Toshihide Yukawa | 1989-02-07 |
| 4780528 | Tripeptides and sweetening agents containing the same | Tadashi Takemoto, Toshihide Yukawa | 1988-10-25 |
| 4680403 | Process for producing N-protected-.alpha.-L-aspartyl-L-phenylalanine methyl ester | Kunio Hisamitsu, Tadashi Takemoto, Satoji Takahashi | 1987-07-14 |
| 4550180 | Method for manufacture of N-formylaspartic anhydride | Tadashi Takemoto, Tetsuo Yamatani | 1985-10-29 |
| 4536842 | System for measuring interfloor traffic for group control of elevator cars | Kiyoshi Yoneda, Hiroshi Takeuchi, Tetsuo Yamatani, Hideo Takeda, Koji Shibuya +1 more | 1985-08-20 |
| 4508912 | Process for producing N-carbobenzoxy-L-aspartic anhydride | Tetsuo Yamatani, Hideo Takeda, Koji Shibuya, Kiichiro Tanaka | 1985-04-02 |