| 11914312 |
Developing device and image forming apparatus including the same |
Tamotsu Shimizu, Yuji Toyota |
2024-02-27 |
| 11874615 |
Developing device including developer carrying member and containing two-component developer and image forming apparatus including the developing device |
Tamotsu Shimizu, Akihiro Watanabe, Ryo Yamada, Uto Syu, Yuji Toyota |
2024-01-16 |
| 11782357 |
Developing device and image forming apparatus including the same |
Tamotsu Shimizu, Yuji Toyota |
2023-10-10 |
| 11693350 |
Image forming apparatus |
Tamotsu Shimizu, Kazunori Tanaka |
2023-07-04 |
| 11314183 |
Developing device and image forming apparatus therewith |
Masashi Fujishima, Norio Kubo, Asami Sasaki, Tamotsu Shimizu, Akira Matayoshi +3 more |
2022-04-26 |
| 11209752 |
Developing device and image forming apparatus therewith |
Asami Sasaki, Akira Matayoshi, Norio Kubo, Koji Suenami, Yuji Toyota +2 more |
2021-12-28 |
| 11163243 |
Image forming apparatus |
Tamotsu Shimizu, Norio Kubo, Asami Sasaki, Yuji Toyota |
2021-11-02 |
| 11112722 |
Image forming apparatus |
Tamotsu Shimizu, Norio Kubo, Asami Sasaki, Yuji Toyota |
2021-09-07 |
| 11112732 |
Image forming device |
Tamotsu Shimizu, Akira Matayoshi, Masashi Fujishima |
2021-09-07 |
| 11048192 |
Image forming apparatus capable of suppressing occurrence of image defects in response to difference in carrier resistance and obtaining high image quality |
Yuji Toyota, Masashi Fujishima, Norio Kubo, Akira Matayoshi |
2021-06-29 |
| 10698337 |
Image forming apparatus with developer information acquisition unit that acquires information relating to deterioration of developer based on an acquired toner charging amount |
Tamotsu Shimizu, Akifumi Yamaguchi, Eiji Gyotoku, Yu Sasaki |
2020-06-30 |
| 10691052 |
Image forming apparatus |
Tamotsu Shimizu, Akifumi Yamaguchi, Kenichi Tamaki, Koji Suenami |
2020-06-23 |
| 10481522 |
Developing device with developing roller and thickness regulating member and image forming apparatus provided with same |
Tamotsu Shimizu, Akifumi Yamaguchi |
2019-11-19 |
| 10261438 |
Toner-receiving and toner-supply/developing roller systems for controlling toner accumulation and drop during toner recovery |
— |
2019-04-16 |
| 10146170 |
Image forming apparatus having a seal member which is disposed at an opening of a developing device and of which a tip end contacts with an image carrier |
— |
2018-12-04 |
| 9864298 |
Developing device and image forming apparatus including the same |
Tamotsu Shimizu |
2018-01-09 |
| 9665037 |
Developing device and image forming apparatus including same |
Shinji Otani, Yukari Ota, Takashi Somete, Yoshimi Shimizu |
2017-05-30 |
| 9639024 |
Developing device and image forming apparatus including same |
Yukari Ota, Shinji Otani, Takashi Somete, Yoshimi Shimizu |
2017-05-02 |
| 9541861 |
Developing device, image forming apparatus, developing device control method |
Yukari Ota |
2017-01-10 |
| 9429869 |
Developing device, and image forming apparatus including developing device |
— |
2016-08-30 |
| 9298126 |
Developing device and image forming apparatus including the same |
Tamotsu Shimizu, Akihiro Watanabe, Chikara Ishihara, Masashi Fujishima, Yu Sasaki +3 more |
2016-03-29 |
| 9285713 |
Developing device, and image forming apparatus provided with the same |
Sakae Saito, Hiroaki Sakai, Yukimasa Watanabe, Yasuhiro Oishi, Masashi Fujishima +1 more |
2016-03-15 |
| 9158227 |
Developing roller and developing apparatus and image forming apparatus using the same |
Yukimasa Watanabe, Sakae Saito, Hiroaki Sakai, Yasuhiro Oishi, Masashi Fujishima +1 more |
2015-10-13 |
| 9158278 |
Image forming apparatus having airflow generating section and shield member in conveyance unit |
Kazuya Yamashita, Kosuke Uchida |
2015-10-13 |
| 9122193 |
Developing roller, developing device, and image forming apparatus including developing device |
Yoshinobu Yoneima, Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Shizuka Okada +6 more |
2015-09-01 |