Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312371 | Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these | Bunta Watanabe, Hideaki Ishida | 2025-05-27 |
| 11220521 | Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these | Bunta Watanabe, Hideaki Ishida | 2022-01-11 |
| 11090318 | Wound healing promoter | Yoko Tanaka, Manabu Yaguchi, Takashi Tanaka | 2021-08-17 |
| 10774098 | Nahlsgen optical resolution method | Jun Hiratake, Bunta Watanabe, Hideaki Ishida | 2020-09-15 |
| 7476758 | Process for preparing a phenylalanine derivative and intermediates thereof | Isao Inoue, Toru Kuroda | 2009-01-13 |
| 6307052 | Acid-addition salts of optically active piperidine compound and process for producing the same | Jun-ichiro Kita, Hiroshi Fujiwara, Shinji Takamura, Yasuhiko Ozaki, Shin-ichi Yamada | 2001-10-23 |
| 5929068 | Optically active benzothiazepine compounds and process for preparing the same | Shin-ichi Yamada, Takeji Shibatani | 1999-07-27 |
| 5847122 | Process for preparing 1,5-benzothiazepine derivative | Shinichi Yamada, Takeji Shibatani | 1998-12-08 |
| 5705638 | Process for preparing optically active 3-hydroxy-1,5-benzothiazepine derivative and intermediate therefor | Shin-ichi Yamada, Takeji Shibatani | 1998-01-06 |
| 5495012 | Process for preparing optically active 4-mercapto-2-pyrrolidone derivative and intermediate therefor | Tameo Iwasaki, Kazuhiko Kondo, Tadashi Nakatani | 1996-02-27 |
| 5424446 | Process for preparing optically active 4-mercapto-2-pyrrolidone derivative and intermediate therefor | Tameo Iwasaki, Kazuhiko Kondo, Tadashi Nakatani | 1995-06-13 |
| 4519955 | Method for optical resolution of DL-.alpha.-amino acid or (.+-.)-.alpha.-phenylethanesulfonic acid | Ichiro Chibata, Shigeki Yamada, Chikara Hongo | 1985-05-28 |
| 4434107 | Process for preparing an optically active p-hydroxyphenylglycine or a salt thereof | Ichiro Chibata, Shigeki Yamada, Chikara Hongo | 1984-02-28 |
| 4415504 | p-Hydroxyphenylglycine..alpha.-phenylethanesulfonate, process for production thereof and utilization thereof in resolution of p-hydroxyphenylglycine | Ichiro Chibata, Shigeki Yamada, Chikara Hongo | 1983-11-15 |
| 4401820 | Process for racemizing optically active .alpha.-amino acids or a salt thereof | Ichiro Chibata, Shigeki Yamada, Chikara Hongo | 1983-08-30 |
| 4217335 | Process for producing .beta.-silicon carbide fine powder | Tadao Sasaki, Isamu Komaru | 1980-08-12 |