Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022581 | Aggregate crystals of phosphoric acid/lysine/magnesium composite salt and process for producing the same | Toru Ikeda, Toyoto Hijiya, Kenichi Mori, Tadashi Takemoto | 2000-02-08 |
| 5958977 | Phosphoric acid-amino acid complex salt and additive composition containing the salt and used in feed for ruminant mammals | Toru Ikeda | 1999-09-28 |
| 5795585 | Ruminant feed additive composition containing novel phosphoric acid-amino acid composite salt and water-soluble high-molecular substance | Toru Ikeda | 1998-08-18 |
| 5763657 | Phosphoric acid-amino acid-polyvalent metal composite salt and ruminant feed additive composition | Toyoto Hijiya, Toru Ikeda, Kenichi Mori, Tadashi Takemoto, Hajime Kamada | 1998-06-09 |
| 5744178 | Ruminant feed additive composition containing novel phosphoric acid-amino acid-polyvalent metal composite salt and gastric antacid | Toru Ikeda, Hisamine Kobayashi, Hiroyuki Sato, Nobuyoshi Kitamura | 1998-04-28 |
| 5451671 | Method of purifying 2',3'-dideoxynucleosides | Hiroshi Shiragami, Masayuki Arai, Kunisuke Izawa, Yutaka Honda, Yasuhiro Tanaka +1 more | 1995-09-19 |
| 5399554 | Readily soluble 2',3'-dideoxyinosine compositions | Kimiyasu Sakamoto | 1995-03-21 |
| 5225587 | Method of producing .alpha.-L-aspartyl-L-phenylalanine methyl ester hydrochloride | Katsumi Sugiyama, Kiyo Adachi | 1993-07-06 |
| 5179009 | Process for producing L-aspartyl-L-phenylalanine and its diketopiperazine | Kenzo Yokozeki, Naoki Usui, Yoshiteru Hirose, Koji Kubota | 1993-01-12 |
| 4822907 | Method for recovering .alpha.-L-aspartyl-L-phenylalanine methyl ester | Katsumi Sugiyama, Takashi Yamashita | 1989-04-18 |
| 4820861 | Process for the production of N-formyl-alpha-L-aspartyl-L-phenylalanine methyl ester | Haruo Kawasaki, Masao Nakamura, Takashi Yamashita, Toshiaki Tsuji | 1989-04-11 |
| 4803300 | Process for separation of N-protected-.alpha.-L-aspartyl-L-phenylalanines | Toyoto Hijiya, Tadashi Takemoto | 1989-02-07 |
| 4789758 | Process for the production of an N-protected-L-.alpha.-aspartyl-L-phenylalanine | Tadashi Takemoto, Kunio Hisamitsu | 1988-12-06 |
| 4780528 | Tripeptides and sweetening agents containing the same | Tadashi Takemoto, Toyoto Hijiya | 1988-10-25 |
| 4740616 | Process for the production of an N-protected-L-.alpha.-aspartyl-L-phenylalanine | Tadashi Takemoto, Kunio Hisamitsu | 1988-04-26 |
| 4673744 | Method for conversion of .beta.-aspartylphenylalanine derivatives to .alpha . | Tadashi Takemoto, Kunio Hisamitsu | 1987-06-16 |
| 4670568 | Process of producing n-formylaspartic anhydride | Masao Nakamura, Hideo Takeda, Haruo Kawasaki | 1987-06-02 |
| 4666838 | Process for the production of L-aspartyl-L-phenylalanine esters | Kenzo Yokozeki, Eiji Majima, Yoshiteru Hirose, Takeru Sato | 1987-05-19 |
| 4610827 | Amino acid complex and a method for optical resolution of a DL-amino acid | Toru Ikeda, Shinichi Kishimoto, Katsumi Sugiyama | 1986-09-09 |