Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619279 | Tobacco smoke filter | Makoto Shiga, Akira Miyazawa | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619279 | Tobacco smoke filter | Makoto Shiga, Akira Miyazawa | 1986-10-28 |