Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6066226 | Method of making a sheet-shaped oxygen absorber | Masaki Nagata, Hideyuki Takahashi, Yuichi Fujii | 2000-05-23 |
| 5972452 | Sheet shaped oxygen absorbing member and method for manufacture thereof | Hideyuki Takahashi, Hidetoshi Hatakeyama | 1999-10-26 |
| 5934494 | Packing for lid | Hideyuki Takahashi, Hidetoshi Hatakeyama, Yuichi Fujii | 1999-08-10 |
| 5328894 | Food-preserving agent | Hidechika Wakabayashi, Yasuo Sugihara, Akira Hosomi | 1994-07-12 |