Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11248082 | Surface protecting resin member and liquid set | — | 2022-02-15 |
| 10676607 | Solution for forming surface protective resin member, solution set for forming surface protective resin member, and surface protective resin member | Hisae Yoshizawa, Yoshihiro Inaba, Takako Kobayashi | 2020-06-09 |
| 10001714 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Masaki Hirakata, Takeshi Iwanaga, Nobuyuki Torigoe, Hideya KATSUHARA, Yoichi KIGOSHI +1 more | 2018-06-19 |
| 9904204 | Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor | Takeshi Iwanaga, Takashi Imai, Hideya KATSUHARA, Masaki Hirakata, Yoichi KIGOSHI +1 more | 2018-02-27 |
| 9864286 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Nobuyuki Torigoe, Masaki Hirakata, Hideya KATSUHARA, Yoichi KIGOSHI, Satomi KASHIWAGI +5 more | 2018-01-09 |
| 9581919 | Image forming apparatus and process cartridge | Satomi KASHIWAGI, Takeshi Iwanaga, Takashi Imai | 2017-02-28 |
| 9145360 | Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method | Yuki Sasaki, Hirotaka Matsuoka, Satoshi Hiraoka, Yasuo Matsumura | 2015-09-29 |
| 8722294 | Baroplastic, resin composition, electrostatic-image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus and image forming method | Masaki Hirakata, Hirofumi Shiozaki | 2014-05-13 |
| 8637632 | Method for producing binder resin, particulate resin dispersion and method for producing same, electrostatic image development toner and method for producing same, electrostatic image developer, and image forming method | Yuki Sasaki, Satoshi Hiraoka, Hirotaka Matsuoka, Yasuo Matsumura | 2014-01-28 |
| 8628903 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Hideo Maehata, Kousaku Yoshimura | 2014-01-14 |
| 8586276 | Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same | Akira Matsumoto, Taichi Yamada, Yosuke Tsurumi, Fusako Kiyono, Akihiro Iizuka +1 more | 2013-11-19 |
| 8541153 | Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Yuki Sasaki | 2013-09-24 |
| 8417156 | Image forming method, process cartridge and image forming apparatus | Masaki Hirakata, Hirofumi Shiozaki | 2013-04-09 |
| 8288071 | Resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, production method thereof, developer and image forming method | Yuki Sasaki, Satoshi Hiraoka, Hirotaka Matsuoka, Yasuo Matsumura | 2012-10-16 |
| 8263303 | Method for producing colored resin particle dispersion liquid, colored resin particle dispersion liquid, and electrophotographic liquid developer | Hirotaka Matsuoka, Yuki Sasaki, Satoshi Hiraoka, Yasuo Matsumura | 2012-09-11 |
| 8168362 | Electrostatic image developing toner, method for producing same, electrostatic image developer, image forming method and image forming apparatus | Hirotaka Matsuoka, Yasuo Matsumura | 2012-05-01 |
| 8039186 | Toner for developing electrostatic image, developer for developing electrostatic image, and method for forming image | Yuki Sasaki, Satoshi Hiraoka, Hirotaka Matsuoka, Yasuo Matsumura | 2011-10-18 |
| 8003821 | Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method | Yuki Sasaki, Hirotaka Matsuoka, Satoshi Hiraoka, Yasuo Matsumura | 2011-08-23 |
| 7972757 | Resin for electrostatic-image-developing toner, electrostatic-image-developing toner, electrostatic image developer, method for forming image, and image-forming apparatus | Hideo Maehata, Hirotaka Matsuoka | 2011-07-05 |
| 7776994 | Resin particle dispersion liquid, and method for producing the same | Hirotaka Matsuoka, Satoshi Hiraoka, Yuki Sasaki, Yasuo Matsumura | 2010-08-17 |
| 7695886 | Process for producing resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner and production process thereof | Yasuo Matsumura, Hirotaka Matsuoka, Satoshi Hiraoka, Yuki Sasaki, Hideo Maehata | 2010-04-13 |
| 7662536 | Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming method | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Yuki Sasaki | 2010-02-16 |
| 7645553 | Image forming method using toner having block copolymer | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Yuki Sasaki | 2010-01-12 |
| 7629098 | Method of producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, developer for electrostatic charge image and method for forming image | Yasuo Matsumura, Hirotaka Matsuoka, Satoshi Hiraoka, Yuki Sasaki, Hideo Maehata | 2009-12-08 |
| 7560213 | Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming method | Hirotaka Matsuoka, Yuki Sasaki, Yasuo Matsumura, Satoshi Hiraoka | 2009-07-14 |