Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366179 | Oxygen and carbon dioxide absorbent and process for storing coffee by using the same | Takanari Nawata, Masayuki Ohtsuka | 1982-12-28 |
| 4332845 | Oxygen absorbent-containing bag | Takanari Nawata, Yukio Kondoh | 1982-06-01 |