Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11737491 | Filtered smoking article | — | 2023-08-29 |
| 11213066 | Cigarette | Susumu YOKOGAWA | 2022-01-04 |
| 9332786 | Cigarette filter and capsule filter cigarette using same | Susumu YOKOGAWA, Katsuo Kato, Hirokazu Masai | 2016-05-10 |