Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786737 | Aromatic sulfonic acid salts of a proline derivative | Yasuo Irie, Fusayoshi Kakizaki, Michito Sumikawa, Naohiko Yasuda | 1988-11-22 |
| 4720554 | Aromatic sulfonic acid salts of a proline derivative | Yasuo Irie, Fusayoshi Kakizaki, Michito Sumikawa, Naohiko Yasuda | 1988-01-19 |