Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317839 | Developing device and image forming apparatus | Shinji Tamaki, Junichi Matsumoto, Tatsuya Kubo, Hiroaki Okamoto | 2019-06-11 |
| 10295931 | Developing device, and image forming apparatus and process cartridge incorporating same | Shinji Tamaki, Keiichi Yoshida, Hiroshi Hosokawa | 2019-05-21 |
| 10126682 | Developing device, and image forming apparatus and process cartridge incorporating same | Hiroaki Okamoto, Tatsuya Kubo, Junichi Matsumoto, Shinji Tamaki | 2018-11-13 |
| 10088776 | Developing device, and image forming apparatus and process cartridge incorporating same | Hiroshi Hosokawa, Shinji Tamaki, Keiichi Yoshida, Shunji Katoh | 2018-10-02 |
| 10031441 | Developing device, and image forming apparatus and process cartridge incorporating same | Keiichi Yoshida, Shinji Tamaki, Hiroshi Hosokawa, Shunji Katoh | 2018-07-24 |
| 9594332 | Developing device and image forming apparatus and process cartridge incorporating same | Yuuji Ishikura | 2017-03-14 |
| 9335662 | Developing device and image forming apparatus and process cartridge incorporating same | Takahiro Adachi | 2016-05-10 |
| 9176424 | Toner container and image forming apparatus | Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2015-11-03 |
| 9128416 | Developing device, process cartridge, image forming apparatus, and developer transfer method | Yuuji Ishikura | 2015-09-08 |
| 8958718 | Toner container and image forming apparatus | Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2015-02-17 |
| 8600262 | Toner container and image forming apparatus | Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2013-12-03 |
| 8488992 | Development device, process cartridge, and image forming apparatus | Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Satoru Yoshida, Takuya Seshita | 2013-07-16 |
| 8483598 | Electrophotographic image forming method and apparatus with a cover film supplying device | Shigekazu Enoki, Takuya Suganuma, Ryuji Yoshida, Yoshinori Nakagawa, Atsushi Kurokawa +8 more | 2013-07-09 |
| 8391755 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada | 2013-03-05 |
| 8373732 | Liquid droplet flight device and image forming apparatus with electrowetting drive electrode | Hiroshi Takahashi, Toshihiro Kanematsu, Masaaki Yamada | 2013-02-12 |
| 8369738 | Toner container and image forming apparatus | Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2013-02-05 |
| 8355657 | Development unit, for image forming apparatus | Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa | 2013-01-15 |
| 8165510 | Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier | Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa +2 more | 2012-04-24 |
| 8126346 | Apparatus and method for fixing an image | Jun Yura, Koichi Kato, Hiroshi Nakai, Kazumi Suzuki, Kei Yasutomi +2 more | 2012-02-28 |
| 8073350 | Developing apparatus, image forming apparatus, and process cartridge | Yasuyuki Ishii, Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada, Yoshinori Nakagawa | 2011-12-06 |
| 8041267 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Masaaki Yamada, Hideki Kosugi, Tomoko Takahashi | 2011-10-18 |
| 8005409 | Development device | Yasuyuki Ishii, Hideki Kosugi, Tomoko Takahashi, Yoshinori Nakagawa, Masaaki Yamada | 2011-08-23 |
| 7920812 | Development device and image forming apparatus that uses this device | Hideki Kosugi, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Yoshinori Nakagawa | 2011-04-05 |
| 7912410 | Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply | Tomoko Takahashi, Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Yoshinori Nakagawa | 2011-03-22 |
| 7907856 | Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Tomoko Takahashi, Masaaki Yamada +3 more | 2011-03-15 |