Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908421 | Filter manufacturing machine | Hiroyuki Torai | 2005-06-21 |
| 6422244 | Filter for a cigarette and filter cigarette | Paul Francis Clarke, John Charlton, Ichiro Atobe | 2002-07-23 |