Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8953987 | Development device, and process cartridge and image forming apparatus including same | Hideki Kimura, Masayuki Yamane, Yoshihiro Fujiwara, Masaki Takahashi, Toshiki Hayashi | 2015-02-10 |
| 8909095 | Process cartridge for image forming apparatus including a hollow alignment shaft | Masayuki Yamane, 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, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2014-12-09 |
| 8873979 | Development device, process cartridge, and image forming apparatus incorporating same | Yoshihiro Fujiwara, Masayuki Yamane, 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, Masayuki Yamane, Yoshihiro Fujiwara, Masaki Takahashi, Toshiki Hayashi | 2014-10-07 |
| 8843034 | Toner container, toner container frame, and image forming apparatus incorporating same | Masayuki Yamane, Tadashi Hayakawa, Takeshi Uchitani, Yasufumi Takahashi | 2014-09-23 |
| 8660441 | Information storage device, removable device, developer container, and image forming apparatus | Yasufumi Takahashi, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2014-02-25 |
| 8655198 | Image forming apparatus and toner cartridges with differently sized guided portions | Masayuki Yamane, Takeshi Uchitani, Yasufumi Takahashi | 2014-02-18 |
| D698386 | Powder container | Masaki Takahashi, Hideki Kimura | 2014-01-28 |
| 8600262 | Toner container and image forming apparatus | Ichiro Kadota, Masayuki Yamane, Takeshi Uchitani, Nobuyuki Taguchi, Satoru Yoshida +1 more | 2013-12-03 |
| 8488992 | Development device, process cartridge, and image forming apparatus | Ichiro Kadota, Masayuki Yamane, Takeshi Uchitani, Satoru Yoshida, Takuya Seshita | 2013-07-16 |
| D683391 | Powder container | Masaki Takahashi | 2013-05-28 |
| D678227 | Tag for removable part | Masaki Takahashi | 2013-03-19 |
| 8369738 | Toner container and image forming apparatus | Ichiro Kadota, Masayuki Yamane, 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, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more | 2013-01-01 |
| 8290378 | Image forming apparatus having a magnetic field generating unit at the toner carrying section | Satoru Yoshida, Tadashi Hayakawa | 2012-10-16 |
| 8238796 | Toner supplying device and image forming apparatus | Satoru Yoshida | 2012-08-07 |
| 8027596 | Image forming apparatus | Satoru Yoshida, Tadashi Hayakawa | 2011-09-27 |
| 7796922 | Image forming apparatus having a magnetic field generating unit at the toner carrying section | Satoru Yoshida, Tadashi Hayakawa | 2010-09-14 |
| D622759 | Toner cartridge | Satoru Yoshida, Hiroko Suzuki | 2010-08-31 |
| D622311 | Toner cartridge | Satoru Yoshida, Hiroko Suzuki | 2010-08-24 |
| D622312 | Toner cartridge | Satoru Yoshida, Hiroko Suzuki | 2010-08-24 |
| D620523 | Toner cartridge | Satoru Yoshida, Hiroko Suzuki | 2010-07-27 |
| 7515856 | Image forming apparatus, a process cartridge provided in the apparatus, and a developing device included in the process cartridge of the apparatus | — | 2009-04-07 |
| 7302205 | Process cartridge and image forming apparatus | Takeshi Shintani, Akira Fujimori, Kaoru Yoshino, Satoshi Hatori, Hiroshi Ono +1 more | 2007-11-27 |