Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11681238 | Image forming method and image forming apparatus | — | 2023-06-20 |
| 11635711 | Image forming method and image forming apparatus | Minoru Masuda, Kazumi Suzuki, Toyoshi Sawada | 2023-04-25 |
| 11635724 | Method for manufacturing removable information sheet | Toshiyuki Kabata, Kaori Hemmi, Takahiro Suzuki | 2023-04-25 |
| 11036168 | Image forming method for metallic sheets | Toshiyuki Kabata, Megumi Arai, Toshiaki Motohashi | 2021-06-15 |
| 9921541 | Developing device, and image forming apparatus and process cartridge incorporating same | Yasunobu Shimizu, Masaaki Yamada, Yoshiko Ogawa, Toshio Koike, Mutsuki Morinaga +4 more | 2018-03-20 |
| 9772579 | Developing device and image forming apparatus incorporating same | Yuki Oshikawa, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara, Noriyuki Kimura +6 more | 2017-09-26 |
| 9625851 | Developing device and image forming apparatus incorporating same | Yuki Oshikawa, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara, Noriyuki Kimura +6 more | 2017-04-18 |
| 9046821 | Development device and image forming apparatus incorporating same | Tomoya Ohmura, Toshio Koike, Masaaki Yamada, Hiroaki Okamoto | 2015-06-02 |
| 8626039 | Image forming apparatus and method capable of obtaining high quality image suppressing edge effect | Katsuhiro Aoki, Daichi Yamaguchi, Akihiro Kawakami | 2014-01-07 |
| 8326189 | Developing device, process cartridge, and image forming apparatus | Yoshiyuki Fukuda, Katsumi Masuda, Nobuyuki Taguchi, Yuuki Satoh, Yasufumi Takahashi +4 more | 2012-12-04 |
| 8135315 | Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating same | Takamasa Ozeki, Katsumi Masuda, Yoshio Hattori, Hiroyuki Uenishi, Yuji Suzuki +5 more | 2012-03-13 |
| 7693465 | Image forming apparatus and process cartridge | — | 2010-04-06 |
| 7599650 | Developer bearing member, developing device, process cartridge and image forming apparatus | Shunji Katoh, Katsumi Masuda, Hideo Yoshizawa, Yoshio Hattori, Hideki Kimura +4 more | 2009-10-06 |
| 7457571 | Image forming apparatus and process cartridge | — | 2008-11-25 |
| 7283774 | Developing method using a two-ingredient type developer and image forming apparatus using the same | Takamasa Ozeki | 2007-10-16 |
| 7095971 | Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin | Takamasa Ozeki | 2006-08-22 |
| 7003235 | Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device | Takamasa Ozeki | 2006-02-21 |
| 6904244 | Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device | Takamasa Ozeki | 2005-06-07 |
| 6895203 | Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin | Takamasa Ozeki | 2005-05-17 |
| 6674985 | Image forming apparatus | — | 2004-01-06 |
| 5321473 | Sealing members for a developing device in an image forming apparatus | — | 1994-06-14 |