Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072083 | Method for purifying branched chain amino acids | Kazuhiro Hasegawa, Yutaka Okamoto, Toru Nakamura, Tetsuya Kaneko, Kinzo Iitani | 2000-06-06 |
| 5689001 | Process for purifying valine | Kazuhiro Hasegawa, Tetsuya Kaneko, Noriko Takahashi | 1997-11-18 |
| 5616786 | Method of obtaining anhydrous phenylalanine crystals | Takeru Sato | 1997-04-01 |
| 4778808 | Feed additive containing tryptophan | Yoshimi Nagano, Kiyoshi Tanaka, Shigeho Ikeda, Masayoshi Naruse | 1988-10-18 |
| 4584400 | Refining phenylalanine | Masaru Otani, Isao Kusumoto | 1986-04-22 |