Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339232 | Dispersion assistant for suspension polymerization and method for producing vinyl-based polymer using the same | Yoshiaki Kozuka | 2022-05-24 |
| 10731032 | Dispersion assistant for suspension polymerization, method for producing vinyl-based polymer using the same, and vinyl chloride resin | Yoshiaki Kozuka | 2020-08-04 |
| 10301402 | Dispersion stabilizer for suspension polymerization, production method for vinyl-based polymer, and vinyl chloride resin | Yoshiaki Kozuka | 2019-05-28 |