Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207888 | Liquid discharge head including supply and discharge channels, liquid discharge device, and liquid discharge apparatus | Junichi Iwata, Takahiro Yoshida, Tomoaki Murakami | 2021-12-28 |
| 10864746 | Liquid circulating apparatus and liquid ejecting apparatus | Takahiro Yoshida, Takayuki Nakai, Ryuji Yoshida, Junichi Iwata | 2020-12-15 |
| 10759165 | Liquid discharge head, including supply and discharge channels,liquid discharge device, and liquid discharge apparatus | Junichi Iwata, Takahiro Yoshida, Tomoaki Murakami | 2020-09-01 |
| 10399355 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Takayuki Nakai, Toshimichi Odaka, Takakazu Kihira, Takahiro Yoshida, Shiomi Andou +1 more | 2019-09-03 |
| 10286666 | Ink discharge device and ink discharge method | Masahiko Ishikawa, Hiroshi Gotou, Takahiro Yoshida | 2019-05-14 |
| 10179452 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Masami Iwama, Takahiro Yoshida, Takakazu Kihira, Takayuki Nakai, Shiomi Andou +6 more | 2019-01-15 |
| 9815285 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Takahiro Yoshida, Takayuki Nakai, Shiomi Andou, Kanshi Abe, Kenshiroh Munetomo +1 more | 2017-11-14 |
| 9658576 | Developing device, and process cartridge and image forming apparatus incorporating same | Hideki Kimura, Tadashi Ogawa, Hiroyuki Mabuchi, Junichi Terai, Hiroshi Kikuchi +1 more | 2017-05-23 |
| 9529297 | Developing device, process cartridge, and image forming apparatus including same | Hiroaki Okamoto, Tadashi Ogawa, Hiroyuki Mabuchi, Junichi Terai, Hideki Kimura +1 more | 2016-12-27 |
| 9507313 | Image forming apparatus with removable unit and a connectable device to connect to the removable unit | Junichi Terai, Tadashi Ogawa, Hiroyuki Mabuchi, Hideki Kimura, Hiroshi Kikuchi +1 more | 2016-11-29 |
| 9395652 | Developing unit, process cartridge, and image forming apparatus | Hiroshi Kikuchi, Tadashi Ogawa, Hiroyuki Mabuchi, Junichi Terai, Hideki Kimura +2 more | 2016-07-19 |
| 9360816 | Toner bottle driving device control method and image forming apparatus | Hiroyuki Mabuchi, Hiroaki Okamoto, Junichi Terai, Tadashi Ogawa, Hiroshi Kikuchi +2 more | 2016-06-07 |
| 9323176 | Powder supply device and image forming apparatus incorporating same | Junichi Terai, Hiroyuki Mabuchi, Hiroshi Kikuchi, Hiroaki Okamoto, Akira Fujimori +2 more | 2016-04-26 |
| 9031474 | Powder feeding device having negative pressure generation control and power discharge control and image forming apparatus | Masashi Nakayama, Hiroyuki Mabuchi | 2015-05-12 |
| 8837992 | Powder feeding device having negative pressure generation control and powder discharge control and image forming apparatus | Masashi Nakayama, Hiroyuki Mabuchi | 2014-09-16 |
| 7953335 | Image forming apparatus and tandem image forming apparatus | Akitomo Kuwabara, Tsukasa Onose, Sho Sawahata, Akihiko Yamazaki, Hiroyuki Mabuchi | 2011-05-31 |
| 7865112 | Electrophotographic printer | Tomohiko Saito, Tsukasa Onose, Sho Sawahata, Jyun Ogino | 2011-01-04 |
| 7773896 | Image forming apparatus and toner adhesion amount correction method | Makoto Yagawara, Hideharu Miki, Isao Nakajima, Akihiko Yamazaki, Akira Asaoka +1 more | 2010-08-10 |
| 7539453 | Printer capable of reserving sheet wrapping width | Isao Nakajima, Sho Sawahata, Akihiko Yamazaki, Yukinori Sakuma | 2009-05-26 |
| 7421222 | Electrophotographic device with contaminant-resistant photoconductor and charger | Tatsuya Kubo, Akio Tsujita | 2008-09-02 |
| 6694119 | Perfecting press apparatus | Takashi Rokutanda, Hiroyuki Mabuchi | 2004-02-17 |
| 6603942 | Image forming apparatus having belt-shaped carrier | Kenji Asuwa, Kazutaka Sato, Masahiro Yagi, Isao Nakajima, Akihiko Yamazaki | 2003-08-05 |
| 6496672 | Image production apparatus | Kenji Asuwa, Kazutaka Sato, Satoshi Shirasawa, Shuho Yokokawa, Isao Nakajima | 2002-12-17 |
| 6445895 | Image forming apparatus having a belt attaching/detaching mechanism | Satoshi Shirasawa, Kazutaka Sato, Isao Nakajima | 2002-09-03 |
| 6144836 | Electrostatographic printing machine | Takao Umeda, Akio Tsujita, Takashi Rokutanda | 2000-11-07 |