Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8451540 | Retardation film | Kenji Kato, Katsushige Hayashi, Noriyuki Kato, Syoichi Nito | 2013-05-28 |
| 6843040 | Iron powder-based oxygen-absorbing package and production method thereof | Ken Sugimoto, Hidetoshi Hatakeyama | 2005-01-18 |
| 6133361 | Oxygen-absorbing composition, oxygen-absorbing resin composition, packing material, multi-layered packing, oxygen absorber packet, packing method and preservation method | Hidetoshi Hatakeyama, Takashi Nakata, Hideyuki Takahashi | 2000-10-17 |
| 5889093 | Oxygen-absorbing resin composition and packing material, multi-layered packing material, package and packing method using the same | Hidetoshi Hatakeyama | 1999-03-30 |
| 5028656 | Resin composition, and molded articles therefrom | Masao Okabe, Akikzau Amgai, Yasuo Tanaka | 1991-07-02 |
| 5026764 | Resin composition based on modified polyphenylene ether and polyphenylene sulfide, and molded articles therefrom | Masao Okabe, Akikzau Amgai, Yasuo Tanaka | 1991-06-25 |