Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698332 | Expectorant | Sadanori Ogasawara, Takashi Hanafusa, Masayoshi Ito, Yoshiyasu Shitori | 1987-10-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698332 | Expectorant | Sadanori Ogasawara, Takashi Hanafusa, Masayoshi Ito, Yoshiyasu Shitori | 1987-10-06 |