Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913311 | Cigarette filter and filter material therefor | Katsutaka Ito, Tsuruyoshi Matsumoto, Atsushi Tokida, Yoichiro Yamashita | 1999-06-22 |
TS
Tetsuro Shibata
Japan Tobacco: 1 patents #582 of 1,187Top 50%
Overall (All Time): #3,651,692 of 4,157,543Top 90%
1
Patents All Time