Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297339 | Method for producing liquid dispersion of composite resin particles, method for producing pressure-sensitive adhesive, method for producing pressure-responsive resin, method for producing toner for developing electrostatic charge image, and liquid dispersion of composite resin particles | Kiyohiro YAMANAKA, Sumiaki Yamasaki, Takahiro Ishizuka, Satoshi Inoue | 2025-05-13 |
| 12247103 | Polyimide precursor solution, porous polyimide film, separator for secondary battery, and secondary battery | Kosaku YOSHIMURA, Takahiro Ishizuka | 2025-03-11 |
| 12209210 | Method for producing composite resin particle dispersion, method for producing pressure-sensitive adhesive, method for producing pressure-responsive resin, method for producing toner for electrostatic charge image development, and composite resin particles | Sumiaki Yamasaki, Takahiro Ishizuka, Kiyohiro YAMANAKA, Satoshi Inoue | 2025-01-28 |