Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312371 | Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these | Ryuzo Yoshioka, Hideaki Ishida | 2025-05-27 |
| 11220521 | Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these | Ryuzo Yoshioka, Hideaki Ishida | 2022-01-11 |
| 10774098 | Nahlsgen optical resolution method | Jun Hiratake, Ryuzo Yoshioka, Hideaki Ishida | 2020-09-15 |