Issued Patents All Time
Showing 26–50 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9176424 | Toner container and image forming apparatus | Ichiro Kadota, Kunihiro Ohyama, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2015-11-03 |
| 9170233 | Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor | Tetsuro Hirota, Hiroshi Hosokawa, Shunji Katoh, Masahiro Watanabe, Shingo Nishizaki | 2015-10-27 |
| 9110402 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2015-08-18 |
| 9081327 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2015-07-14 |
| 9069287 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2015-06-30 |
| 9008556 | Development device and image forming apparatus and process unit incorporating same | Yuuji Ishikura, Katsuhiro Aoki, Masaaki Yamada, Atsushi Kurokawa, Yuuki Satoh | 2015-04-14 |
| 8959879 | Vertical bag-manufacturing and packaging machine | Yoshio Iwasaki, Taro Sano, Akira Yamamoto | 2015-02-24 |
| 8958718 | Toner container and image forming apparatus | Ichiro Kadota, Kunihiro Ohyama, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2015-02-17 |
| 8953976 | Developing device, image forming apparatus, and process cartridge | Kunihiro Ohyama, Takeshi Uchitani, Yasufumi Takahashi | 2015-02-10 |
| 8953987 | Development device, and process cartridge and image forming apparatus including same | Hideki Kimura, Kunihiro Ohyama, Yoshihiro Fujiwara, Masaki Takahashi, Toshiki Hayashi | 2015-02-10 |
| 8909095 | Process cartridge for image forming apparatus including a hollow alignment shaft | Kunihiro Ohyama, Hideki Kimura, Masaki Takahashi, Yoshihiro Fujiwara, Toshiki Hayashi | 2014-12-09 |
| 8909071 | Apparatus and method for preventing an information storage device from falling from a removable device | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2014-12-09 |
| 8873979 | Development device, process cartridge, and image forming apparatus incorporating same | Yoshihiro Fujiwara, Kunihiro Ohyama, Hideki Kimura, Masaki Takahashi, Toshiki Hayashi | 2014-10-28 |
| 8855536 | Development device, and process cartridge and image forming apparatus including same in which an angle formed using an end face of a buffer area is smaller than an angle of twist of a spiral blade | Hideki Kimura, Kunihiro Ohyama, Yoshihiro Fujiwara, Masaki Takahashi, Toshiki Hayashi | 2014-10-07 |
| 8843034 | Toner container, toner container frame, and image forming apparatus incorporating same | Tadashi Hayakawa, Kunihiro Ohyama, Takeshi Uchitani, Yasufumi Takahashi | 2014-09-23 |
| 8660441 | Information storage device, removable device, developer container, and image forming apparatus | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2014-02-25 |
| 8655198 | Image forming apparatus and toner cartridges with differently sized guided portions | Kunihiro Ohyama, Takeshi Uchitani, Yasufumi Takahashi | 2014-02-18 |
| 8600262 | Toner container and image forming apparatus | Ichiro Kadota, Kunihiro Ohyama, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2013-12-03 |
| 8488992 | Development device, process cartridge, and image forming apparatus | Ichiro Kadota, Kunihiro Ohyama, Takeshi Uchitani, Satoru Yoshida, Takuya Seshita | 2013-07-16 |
| 8369738 | Toner container and image forming apparatus | Ichiro Kadota, Kunihiro Ohyama, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2013-02-05 |
| 8346105 | Information storage device, removable device, developer container, and image forming apparatus | Yasufumi Takahashi, Kunihiro Ohyama, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2013-01-01 |
| 8160461 | Toner container and image forming apparatus | Nobuyuki Taguchi, Goro Katsuyama, Takeroh Kurenuma, Hideo Yoshizawa | 2012-04-17 |
| 8126375 | Toner container and image forming apparatus | Nobuyuki Taguchi, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki, Seiji Terazawa +5 more | 2012-02-28 |
| 8090293 | Process cartridge and image forming apparatus employing same | Yuji Arai, Hiroyuki Nagashima, Nobuo Kuwabara, Fumihito Itoh, Hiroshi Ono +8 more | 2012-01-03 |
| 8068770 | Toner cartridge, image forming apparatus, method of recycling toner cartridge | Takeroh Kurenuma, Fumio Ogata, Seiji Terazawa, Kenzo Tatsumi, Kiyonori Tsuda +4 more | 2011-11-29 |