Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043473 | Method of deinking recovered paper | Chie Yuzawa, Hisashi Iwabuchi, Shisei Goto, Takeshi Iimori | 2011-10-25 |
| 7384502 | Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness | Isao Onodera, Keigo Watanabe, Takanori Miyanishi | 2008-06-10 |