Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378345 | Polyfunctional vinyl resin and method for producing same, polyfunctional vinyl resin composition, cured article, prepreg, resin sheet, and laminated plate | Kazuo Ishihara, Jaeman Han, Haerry Youn | 2025-08-05 |
| 12378354 | Active ester resin, method for producing thereof, epoxy resin composition, cured product thereof, prepreg, laminated board, and material for circuit substrate | Kazuo Ishihara, Jin Soo Lee, Chan Ho Park, Joong Hwi Jee | 2025-08-05 |