Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7682689 | Successively biaxial-oriented porous polypropylene film and process for production thereof | Kiyoshi Sadamitsu, Naoki Ikeda, Kenichiro Nagata, Koichi Ogino | 2010-03-23 |
| 7235203 | Successively biaxial-oriented porous polypropylene film and process for production thereof | Kiyoshi Sadamitsu, Naoki Ikeda, Kenichiro Nagata, Koichi Ogino | 2007-06-26 |
| 6861132 | Porous polypropylene film, process for producing the same, and absorbent article employing the film | Naoki Ikeda, Kiyoshi Sadamitsu, Kenichiro Nagata, Toshiaki Kobayashi | 2005-03-01 |