Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947127 | Tobacco filters and method of producing the same | Hitoshi Tsugaya, Hiroki Taniguchi, Kanae Nishimura | 1999-09-07 |
| 5706833 | Tobacco filters and method of producing the same | Hitoshi Tsugaya, Hiroki Taniguchi, Kanae Nishimura | 1998-01-13 |