Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608340 | Oxygen absorption resin composition | Yoshihisa Tsuji, Tomoyuki Watanabe, Hideharu Iwasaki | 2009-10-27 |
| 7608341 | Oxygen absorption resin composition | Yoshihisa Tsuji, Yasutaka Inubushi, Tatsuhiko Hayashibara, Tomoyuki Watanabe, Hideharu Iwasaki | 2009-10-27 |
| 7396865 | Oxygen absorber, method for producing the same, and packaging material using the same | Yoshihisa Tsuji, Tomoyuki Watanabe, Hideharu Iwasaki | 2008-07-08 |