Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586698 | Manufacturing method for phenolic novolac resin and resin-coated sand | Hiroyuki Kawata, Sadao Takashou | 2013-11-19 |
| 7928151 | Resin composition for shell mold and resin coated sand | Daiki Oniyanagi, Masaru Wada, Yoshirou Oowada | 2011-04-19 |