Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10039890 | Tobacco-flavor-releasing material and non-heating type tobacco flavor inhalator containing same | Yasuhiro Nakagawa, Tadashi TATEMATSU | 2018-08-07 |
| 9486011 | Cigarette mainstream smoke component adsorbent and cigarette filter | Yasuhiro Nakagawa, Katsuhito Misawa, Yayoi Kasakura | 2016-11-08 |
| 7082849 | Apparatus and method for extracting volatile constituents | Yukio Sone, Taro Yonezawa | 2006-08-01 |