Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141976 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Toshimichi Odaka, Koji Kawahara | 2021-10-12 |
| 10792920 | Laminated substrate, liquid discharge head, and liquid discharge apparatus | Junichi Iwata, Kanshi Abe, Takayuki Nakai, Koji Kawahara | 2020-10-06 |
| 10081182 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Atsushi Kikuchi, Junichi Iwata | 2018-09-25 |
| 8620194 | Developing device, process cartridge, image forming apparatus, and developer discharge device having a discharge port | Susumu Tateyama, Tatsuya Kubo | 2013-12-31 |
| 8374528 | Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image | Tatsuya Kubo, Susumu Tateyama | 2013-02-12 |
| 8346134 | Developing device and image forming apparatus that include a developer transport amount regulation part | Masayoshi Nakayama, Susumu Takeyama, Tatsuya Kubo | 2013-01-01 |
| 8145102 | Developing device, process cartridge, image forming apparatus and developer discharge device having a discharge port | Susumu Tateyama, Tatsuya Kubo | 2012-03-27 |
| 8045900 | Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image | Tatsuya Kubo, Susumu Tateyama | 2011-10-25 |
| 8045893 | Developing device and image forming apparatus including inclined transport screw | Masayoshi Nakayama, Susumu Takeyama, Tatsuya Kubo | 2011-10-25 |
| 8041269 | Development apparatus having two developer bearers and two development chambers | Tatsuya Kubo, Takashi Suzuki, Susumu Tateyama, Tsutomu Nakagawa, Masayoshi Nakayama | 2011-10-18 |
| 8027623 | Developing device, process cartridge, and image forming apparatus having a discharge port facing a section of a transport member without a screw part | Kentarou Nodera, Susumu Tateyama, Tatsuya Kubo | 2011-09-27 |
| 8014706 | Developing device, process cartridge, and image forming apparatus | Masayoshi Nakayama, Susumu Tateyama, Tatsuya Kubo | 2011-09-06 |
| 8010020 | Developing device and image forming apparatus equipped with the same | Emi Kita, Koichi Kato, Kiyonori Tsuda, Yuki Oshikawa, Susumu Tateyama | 2011-08-30 |
| 7904001 | Developing unit, process cartridge, and image forming apparatus having a plurality of conveyor members, a supply part, and a discharge part | Susumu Tateyama, Masayoshi Nakayama, Tatsuya Kubo | 2011-03-08 |
| 7826775 | Developing device and image forming apparatus | Masayoshi Nakayama, Susumu Tateyama, Tatsuya Kubo | 2010-11-02 |
| 7792465 | Developing device, process cartridge, and image forming apparatus | Tatsuya Kubo, Susumu Tateyama, Masayoshi Nakayama | 2010-09-07 |
| 7792466 | Image forming apparatus and developing device | Masayoshi Nakayama, Takashi Suzuki, Susumu Tateyama, Tsutomu Nakagawa, Tatsuya Kubo | 2010-09-07 |
| 7616915 | Image forming apparatus having a force-converting mechanism to detach a rotary body | Kazuhiro Shimojima, Susumu Tateyama, Yukinori Sakuma | 2009-11-10 |
| 7580657 | Developing device in image-forming device | Susumu Tateyama, Tsutomu Nakagawa, Masayoshi Nakayama | 2009-08-25 |
| 7324778 | Fixing device including heating roller and pressure roller | Takashi Suzuki, Teruaki Mitsuya, Keisuke Kubota, Masato Miwa, Tsutomu Nakagawa | 2008-01-29 |
| 7272355 | Cleaning device for image forming apparatus | Takashi Suzuki, Kenji Nakamura, Hirobumi Ooyoshi, Masato Miwa | 2007-09-18 |
| 7079804 | Image forming apparatus | Hideki Ando, Takasi Suzuki, Masato Miwa | 2006-07-18 |
| 7010242 | Image forming apparatus | Takashi Suzuki, Masayuki Ainoya, Junji Shirakawa, Koji Kato, Kazuo Sunou | 2006-03-07 |
| D467265 | Fixing device | Takashi Suzuki, Masayuki Ainoya | 2002-12-17 |
| D463818 | Developer bottle | Masayuki Ainoya, Tomoyoshi Yamazaki | 2002-10-01 |