Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693868 | Method for producing optically active diphosphine compounds | Noboru Sayo, Xiaoyong Zhang, Akifumi Yoshida, Tohru Yokozawa | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693868 | Method for producing optically active diphosphine compounds | Noboru Sayo, Xiaoyong Zhang, Akifumi Yoshida, Tohru Yokozawa | 1997-12-02 |