Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9244386 | Developing device and image forming apparatus | Kunihiko Sato, Yoko Miyamoto, Yoshiya Mashimo, Masaaki Takahashi, Sakon Takahashi +1 more | 2016-01-26 |
| 9213269 | Developing device and image forming apparatus | Masanori Kato, Jun Abe, Sakae Yoshioka | 2015-12-15 |
| 8953989 | Developing device and image forming apparatus | Atsushi FUNADA | 2015-02-10 |
| 8942587 | Electrostatic image developer and image forming apparatus | Sakon Takahashi, Akihiro Iizuka, Motoko Sakai, Kunihiko Sato, Kazuhiko Arai +3 more | 2015-01-27 |
| 8913916 | Developer, image-forming apparatus, and method for forming image | Shinichi Kawamata, Kunihiko Sato, Sakon Takahashi, Kazuhiko Arai, Masaaki Takahashi +2 more | 2014-12-16 |
| 8892009 | Developing device, image forming apparatus and image forming method | Sakae Yoshioka, Jun Abe | 2014-11-18 |
| 8781356 | Image forming apparatus and vibration reducing member | Keisuke Morita, Hideki KUGE | 2014-07-15 |
| 8417159 | Powder container and image forming apparatus | Yoshiyuki Takashima, Hideki KUGE | 2013-04-09 |
| 8374529 | Image forming apparatus and tubular powder container having a guide portion | Hideki KUGE, Yoshiyuki Takashima | 2013-02-12 |
| 7953353 | Developing device, method of producing developing device, and image forming apparatus | Toshio Hino | 2011-05-31 |
| 7642024 | Image-forming apparatus and image-forming process | — | 2010-01-05 |
| 7070899 | Electrostatic latent image developer, image forming method, and image forming apparatus | Kazuhiko Yanagida, Takashi Yukutake | 2006-07-04 |
| 6023601 | Developing device using two-component developer | Satoru Hirosaki, Takuto TANAKA | 2000-02-08 |
| 5799234 | Developing apparatus using a dual component developer | Shigehito Ando | 1998-08-25 |
| 5768666 | Developing apparatus comprising excessive toner separation means | Isao Ito, Takeshi Sumikawa, Shigehito Ando, Hideaki Tanaka | 1998-06-16 |
| 5655191 | Color image recording method for transferring a multi-colored image to an image receptor | Takeshi Sumikawa, Shigehito Ando, Shinji Sasahara, Tadakazu Edure | 1997-08-05 |
| 5532804 | Device for developing an electrostatic image on an image member | Kei Hirata, Tomoyoshi Chihara, Takeshi Sumikawa | 1996-07-02 |
| 5469245 | Development method and apparatus and multicolor image forming apparatus using these | Taku Aoshima, Tsuneo Noami, Hiroh Soga, Takeshi Sumikawa, Tadakazu Edure | 1995-11-21 |
| 5418097 | Color image recording method and apparatus | Tsuneo Noami, Takeshi Sumikawa | 1995-05-23 |
| 5406313 | Color image forming apparatus and method | Tsuneo Noami, Kazuo Maruyama, Takeshi Sumikawa | 1995-04-11 |
| 5212525 | Developing magnetic roller having repulsive magnetic poles and developer-limiting member | Tsuneo Noami, Takeshi Sumikawa | 1993-05-18 |
| 5181072 | Color recording apparatus | Tsuneo Noami, Takeshi Sumikawa | 1993-01-19 |
| 5126795 | Image recording method | Kazuo Maruyama, Kiyoshi Horie, Tsuneo Noami, Toshiro Yamamoto, Koji Adachi +2 more | 1992-06-30 |
| 4937629 | Composite image recording apparatus | Kazuo Maruyama, Kiyoshi Horie, Tsuneo Naomi, Toshiro Yamamoto, Koji Adachi +2 more | 1990-06-26 |
| 4833505 | Latent image color developing system | Kazuo Maruyama, Tsuneo Noami, Takeshi Sumikawa, Toshirou Yamamoto, Kouji Adachi +1 more | 1989-05-23 |