Issued Patents All Time
Showing 1–25 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11119425 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2021-09-14 |
| 10564574 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2020-02-18 |
| 9256194 | Developer supply container | Nobuo Nakajima, Fumio Tazawa | 2016-02-09 |
| 9164423 | Developer replenishment container accommodating apparatus, developer replenishment container, and image forming apparatus | Kazuhiro Mochizuki, Akira Masuda, Nobuo Nakajima | 2015-10-20 |
| 9046820 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2015-06-02 |
| 8909094 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2014-12-09 |
| 8649711 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2014-02-11 |
| 8517064 | Powder filling apparatus, powder filling method and process cartridge | Tetsuo Isomura, Manabu Jimba, Masashi Koseki, Kei Jomen | 2013-08-27 |
| 8290394 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2012-10-16 |
| 8205646 | Powder filling apparatus, powder filling method and process cartridge | Tetsuo Isomura, Manabu Jimba, Masashi Koseki, Kei Jomen | 2012-06-26 |
| 8131189 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2012-03-06 |
| 8045901 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2011-10-25 |
| 7970321 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2011-06-28 |
| 7965963 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2011-06-21 |
| 7957679 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2011-06-07 |
| 7890027 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2011-02-15 |
| 7881645 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2011-02-01 |
| 7836921 | Powder filling apparatus, powder filling method and process cartridge | Tetsuo Isomura, Manabu Jimba, Masashi Koseki, Kei Jomen | 2010-11-23 |
| 7796923 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2010-09-14 |
| 7773919 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2010-08-10 |
| 7764909 | Developer supply container | Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2010-07-27 |
| 7647012 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2010-01-12 |
| 7577385 | Toner supplying container and image forming apparatus | Tatsuya Goto, Fumio Tazawa | 2009-08-18 |
| 7469113 | Sealing member, toner accommodating container and image forming apparatus | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2008-12-23 |
| 7433633 | Toner supply container having a coupling member for engaging and receiving a rotational force from a cylindrical member | Yusuke Yamada, Katsuya Murakami, Fumio Tazawa, Hironori Minagawa | 2008-10-07 |