Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724849 | Narrow-cross sectioned fibers for use in tobacco smoker filters | Junji Kawamoto, Makoto Shiga, Masaharu Takegawa | 1988-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724849 | Narrow-cross sectioned fibers for use in tobacco smoker filters | Junji Kawamoto, Makoto Shiga, Masaharu Takegawa | 1988-02-16 |