Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125203 | Polyvinyl alcohol powder and method for producing same | Junpei Horiguchi, Kazuyuki Tanaka | 2018-11-13 |
| 6743859 | Polyvinyl alcohol polymer production method and polyvinyl alcohol polymer | Tsuyoshi Kowaka, Hiroyuki Miyawaki, Kazunori Watanabe | 2004-06-01 |