Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302954 | Cigarette filter comprising grape proanthocyanidin | Masato Shigematsu, Tohru Shibata, Fumio Yamaguchi, Norikazu Fujii | 2007-12-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302954 | Cigarette filter comprising grape proanthocyanidin | Masato Shigematsu, Tohru Shibata, Fumio Yamaguchi, Norikazu Fujii | 2007-12-04 |