Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186185 | Flavoring granule for tobacco products and a preparation method thereof | Sadatsuyo Isoda, Atsushi Tateno | 1993-02-16 |
| 4889144 | Filter for tobacco smoking | Atsushi Tateno | 1989-12-26 |
| 4186756 | Method of processing smoking composition | Nagaaki Takemoto, Teruo Sakurai, Harumatsu Tomari | 1980-02-05 |