Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317814 | Powder supply device and image forming apparatus incorporating same | Nobuo Takami, Kenji Kikuchi, Koichi Yamazaki, Atsushi Nakamoto, Naohiro Kawashima +3 more | 2019-06-11 |
| 10228632 | Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium | Mitsufumi Yamamoto, Kenji Kikuchi, Kazuho Satoh, Shingo Nishizaki, Ko Tokumaru | 2019-03-12 |
| 10114323 | Sheet size detector and image processing apparatus | Yu Wakabayashi, Shintaroh Yamada, Shun Kobayashi | 2018-10-30 |
| 10099876 | Sheet material thickness detection device, sheet material anomaly detection device, sheet material feeding device, and image forming device | Shingo Nishizaki | 2018-10-16 |
| 10031016 | Fluid detection apparatus to detect a quantity of fluid using a vibration | Kazuho Satoh, Tomoki Shimohira, Tetsuhiko Mizuyama | 2018-07-24 |
| 9817335 | Powder amount detector, powder supply device, and image forming apparatus incorporating same | Naohiro Kawashima, Koichi Yamazaki, Nobuo Takami, Atsushi Nakamoto, Shinnosuke Koshizuka +4 more | 2017-11-14 |
| 9645538 | Developing device, and image forming apparatus and process cartridge incorporating same | Masahiro Watanabe | 2017-05-09 |
| 9523664 | Powder detector, image forming apparatus including same, and powder detecting method | Kenji Kikuchi, Hiroshi Hosokawa | 2016-12-20 |
| 9523940 | Powder detector, developing device, process cartridge, image forming apparatus, and powder detecting method | Hiroshi Hosokawa, Kenji Kikuchi | 2016-12-20 |
| 9507291 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Hiroshi Hosokawa, Shunji Katoh, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2016-11-29 |
| 9507290 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Hiroshi Hosokawa, Shunji Katoh, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2016-11-29 |
| 9170233 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Hiroshi Hosokawa, Shunji Katoh, Masayuki Yamane, Masahiro Watanabe, Shingo Nishizaki | 2015-10-27 |
| 9158228 | Development device and image forming apparatus incorporating same | Yoshiko Ogawa, Osamu Endou, Yasuyuki Ishii, Yuuji Ishikura, Hideyasu Seki | 2015-10-13 |
| 8948638 | Image forming apparatus | Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Yoshiko Ogawa +4 more | 2015-02-03 |
| 8929782 | Development device, and image forming apparatus and process cartridge incorporating same | Osamu Endou, Yasuyuki Ishii, Yoshiko Ogawa, Atsushi Kurokawa, Yuuji Ishikura +1 more | 2015-01-06 |
| 8897681 | Developing device, image forming apparatus, and image forming method | Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa, Hideyasu Seki, Yasuyuki Ishii | 2014-11-25 |
| 8824935 | Development device, process cartridge incorporating same, and image forming apparatus incorporating same | Hideyasu Seki, Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa | 2014-09-02 |
| 8594540 | Development device, process cartridge incorporating same, and image forming apparatus incorporating same | Hideki Kosugi, Yoshiko Ogawa, Atsushi Kurokawa, Hideyasu Seki, Masaaki Yamada +1 more | 2013-11-26 |
| 8433211 | Developing device, process cartridge, and image forming apparatus | Masanori Horike, Atsushi Kurokawa, Hideki Kosugi, Masaaki Yamada, Yoshiko Ogawa +1 more | 2013-04-30 |
| 8376494 | Image forming device and image forming apparatus | Masanori Horike, Shin Kayahara, Osamu Endou, Tomoko Takahashi | 2013-02-19 |
| 8259142 | Image forming apparatus with developer passage amount control electrodes | Masanori Horike, Nobuaki Kondoh, Osamu Endou, Shin Kayahara, Tomoko Takahashi | 2012-09-04 |
| 8186799 | Image forming apparatus and impact position displacement correction method | Tetsu Morino, Noboru Sawayama, Kenichi Kawabata, Mamoru Yorimoto, Takumi Hagiwara | 2012-05-29 |
| 8157342 | Liquid-jet device, image forming apparatus, and method for adjusting landing positions of liquid droplets | Tetsu Morino, Noboru Sawayama, Kenichi Kawabata, Mamoru Yorimoto, Takumi Hagiwara +1 more | 2012-04-17 |
| 8066348 | Image forming apparatus and defective nozzle detection method | Takumi Hagiwara, Kenichi Kawabata, Mamoru Yorimoto, Tetsu Morino, Noboru Sawayama | 2011-11-29 |
| 7992953 | Image forming apparatus and method of correcting deviation of shooting position | Mamoru Yorimoto, Noboru Sawayama, Kenichi Kawabata, Tetsu Morino, Takumi Hagiwara | 2011-08-09 |