Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076434 | Amphoteric polymer and process for producing the same | Daisuke Michitaka | 2011-12-13 |
| 7951886 | Continuous production method of water-soluble polymer and water-soluble polymer | Hidekazu Kozuki, Noboru Sakamoto, Takahiro Tsumori, Kaori Nakatani, Hideo Wakami | 2011-05-31 |