Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10667550 | Filter for cigarette product and cigarette product | Kenji Ito, Yu Ninomiya, Tomiharu Nagata, Sadao Ogi, Kazumasa ARAE | 2020-06-02 |
| 9427929 | Filter manufacturing machine, filter manufacturing method using the machine, and hollow filter | Satoshi Nakamura | 2016-08-30 |
| 8746255 | Cigarette filter | Takashi Hasegawa | 2014-06-10 |
| 6908421 | Filter manufacturing machine | Masanori Koborinai | 2005-06-21 |
| 6130438 | Wrapping paper defect inspection apparatus for a cigarette manufacturing machine | — | 2000-10-10 |