Issued Patents All Time
Showing 51–75 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9829829 | Developing device and image forming apparatus provided with same | Eiji Gyotoku, Akihiro Watanabe, Norio Kubo, Minoru Wada, Ryo Taniguchi +2 more | 2017-11-28 |
| 9690229 | Image forming apparatus including layer thickness control portion to cause rotator to carry toner, and developing device used in image forming apparatus | — | 2017-06-27 |
| 9541856 | Image forming apparatus with function of setting appropriate development bias | Shizuka Ikazaki, Akihiro Watanabe | 2017-01-10 |
| 9323179 | Developing unit and image forming apparatus | Shizuka Okada, Takefumi Yotsutsuji, Akifumi Yamaguchi | 2016-04-26 |
| 9310718 | Development device and image forming apparatus including the same | Shizuka Okada, Takefumi Yotsutsuji, Akifumi Yamaguchi | 2016-04-12 |
| 9304432 | Image forming apparatus | Yukihiro Mori | 2016-04-05 |
| 9304445 | Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller | Masashi Fujishima, Yuji Kamiyama, Shizuka Okada, Sakae Saito, Yasuhiro Oishi | 2016-04-05 |
| 9304479 | Image forming apparatus | Ryo Taniguchi, Akifumi Yamaguchi | 2016-04-05 |
| 9304438 | Developer container and image forming apparatus including the same | Shizuka Ikazaki | 2016-04-05 |
| 9298126 | Developing device and image forming apparatus including the same | Akihiro Watanabe, Chikara Ishihara, Yasuhiro Tauchi, Masashi Fujishima, Yu Sasaki +3 more | 2016-03-29 |
| 9291944 | Developing device having a control device that performs a recovery process and image forming apparatus including the same | Akira Matayoshi | 2016-03-22 |
| 9274453 | Developing roller, developing device, and image forming apparatus including developing device | Yasuhiro Oishi, Yuji Kamiyama, Akihiro Watanabe, Yoshinobu Yoneima, Shizuka Okada +1 more | 2016-03-01 |
| 9239541 | Image forming apparatus | Akihiro Watanabe, Akira Matayoshi | 2016-01-19 |
| 9235162 | Developer storage container and image forming apparatus with same | Ikuo Makie, Kenichi Tamaki, Minoru Wada, Shizuka Okada | 2016-01-12 |
| 9217951 | Image forming apparatus with leakage detecting unit for detecting leakage | Masashi Fujishima, Yoshinobu Yoneima | 2015-12-22 |
| 9217950 | Developing device and image forming apparatus provided with same | Shizuka Ikazaki | 2015-12-22 |
| 9207583 | Developing device and image forming apparatus provided with same | Masaru Hatano, Asami Sasaki, Norio Kubo | 2015-12-08 |
| 9207565 | Developing device and image forming apparatus provided with same | Shizuka Ikazaki | 2015-12-08 |
| 9201349 | Developing device, image forming apparatus | Shizuka Okada, Yuji Kamiyama, Sakae Saito, Yasuhiro Oishi, Masashi Fujishima +1 more | 2015-12-01 |
| 9122193 | Developing roller, developing device, and image forming apparatus including developing device | Yoshinobu Yoneima, Yuji Kamiyama, Akihiro Watanabe, Shizuka Okada, Sakae Saito +6 more | 2015-09-01 |
| 9122194 | Developing roller, developing device, and image forming apparatus including developing device | Yuji Kamiyama, Akihiro Watanabe, Yoshinobu Yoneima, Shizuka Okada, Sakae Saito +1 more | 2015-09-01 |
| 9063468 | Developing device and image forming apparatus provided therewith | Minoru Wada, Takahisa Nakaue, Ikuo Makie, Kenichi Tamaki, Takefumi Yotsutsuji +1 more | 2015-06-23 |
| 9031472 | Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing device | Takefumi Yotsutsuji, Akifumi Yamaguchi, Takahisa Nakaue, Minoru Wada, Shizuka Okada | 2015-05-12 |
| 9002240 | Developing device and image forming apparatus | Takahisa Nakaue, Teruhiko Nagashima, Takashi Morita | 2015-04-07 |
| 8989634 | Developer case that suppresses clogging due to developer, developer replenishment unit having the same, and image forming apparatus having the same | Kenichi Tamaki, Takahisa Nakaue, Ikuo Makie, Eiji Nimura, Koji Kuramashi +2 more | 2015-03-24 |