Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250602 | Polymer emulsion and method for preparing the same | Hiroshi Itoda, Naotaka Watanabe | 1993-10-05 |
| 4977208 | Water-absorbent coating compositions | Naotaka Watanabe, Isao Takagi, Atsuo Miyoshi | 1990-12-11 |