Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982117 | Adhesive material and pressure-bonded print | Sumiaki Yamasaki, Yasuo Matsumura | 2021-04-20 |
| 10852659 | Method of producing foil formed member, method of producing wiring substrate, and method of producing integrated circuit | Yasuo Matsumura, Sumiaki Yamasaki, Satoshi Hiraoka, Takashi Imai | 2020-12-01 |
| 10268129 | Pressure fixation toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge | Sumiaki Yamasaki, Satoshi Hiraoka, Yasuo Matsumura | 2019-04-23 |
| 9690220 | Polyester resin for toner, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Sumiaki Yamasaki | 2017-06-27 |
| 9102790 | Polyester resin, electrostatic charge image developing toner, and toner container | Sumiaki Yamasaki, Susumu Yoshino, Yuki Sasaki | 2015-08-11 |
| 8852839 | Polyester for toner, electrostatic-image developing toner, electrostatic-image developer, toner cartridge, process cartridge, image-forming apparatus, and image-forming method | Sumiaki Yamasaki | 2014-10-07 |
| 8808956 | Polyester resin for toner, toner, developer, toner cartridge, process cartridge, and image forming apparatus | Sumiaki Yamasaki, Satoshi Hiraoka, Yuki Sasaki, Susumu Yoshino, Hirotaka Matsuoka | 2014-08-19 |