Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405734 | Low sub-flow smoke type cigarette | Masahiko Nagai, Hisashi Ishikawa, Toru Sakurai | 2002-06-18 |
| 6138684 | Smoking paper for smoking article | Akira Yamazaki, Kazuko Takeda, Tomoaki Ogawa | 2000-10-31 |