Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8696968 | Method of manufacturing stretchable sheet | Yoshihiko Matsumoto | 2014-04-15 |
| 8183429 | Composite sheet and absorbent article comprising composite sheet | Tatsuya Hashimoto, Hirotomo Mukai, Satoshi Mitsuno, Tomoko Tsuji | 2012-05-22 |
| 8012388 | Method for producing stretchable sheet | Yoshihiko Matsumoto, Shinichi Ishikawa | 2011-09-06 |
| 7824169 | Stretching apparatus for web of thermoplastic synthetic resin | Yoshihiko Matsumoto | 2010-11-02 |
| 7741235 | Composite sheet and absorbent article using the same | Tatsuya Hashimoto, Hirotomo Mukai, Satoshi Mitsuno, Tomoko Tsuji | 2010-06-22 |