Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9304445 | Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller | Masashi Fujishima, Yuji Kamiyama, Tamotsu Shimizu, Shizuka Okada, Sakae Saito | 2016-04-05 |
| 9298126 | Developing device and image forming apparatus including the same | Tamotsu Shimizu, Akihiro Watanabe, Chikara Ishihara, Yasuhiro Tauchi, Masashi Fujishima +3 more | 2016-03-29 |
| 9285713 | Developing device, and image forming apparatus provided with the same | Sakae Saito, Hiroaki Sakai, Yukimasa Watanabe, Masashi Fujishima, Chikara Ishihara +1 more | 2016-03-15 |
| 9274453 | Developing roller, developing device, and image forming apparatus including developing device | Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Yoshinobu Yoneima, Shizuka Okada +1 more | 2016-03-01 |