Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9639028 | Image forming apparatus and container for developer | Kiyohito HORII, Seigo Shinozaki, Makoto Kanno, Shota Oba, Norihiro TAMAZAWA +2 more | 2017-05-02 |
| 9530579 | Bypass switch | Nobumoto Tohya, Minoru Kobayashi | 2016-12-27 |
| 9458879 | Transporting member, developing device, and image forming apparatus | Yoshitaka Nakajima, Makoto Hirota, Toshihiro Kanematsu, Shota Oba | 2016-10-04 |
| 9442421 | Rotatable powder storage container | Seigo Shinozaki, Makoto Kanno, Shota Oba, Norihiro TAMAZAWA, Ayumi Noguchi +2 more | 2016-09-13 |
| 9436131 | Image forming apparatus and container for developer | Shota Oba, Norihiro TAMAZAWA, Ayumi Noguchi, Makoto Kanno, Seigo Shinozaki +1 more | 2016-09-06 |
| 9423721 | Developing device, visible-image-forming device, and image forming apparatus | Shigemi Murata, Shinichi Kuramoto, Yoshitaka Nakajima, Ryota Tomishi | 2016-08-23 |
| 9377719 | Developing device and image forming apparatus | Shigemi Murata, Yoshitaka Nakajima, Shinji Okuyama | 2016-06-28 |
| 9141032 | Developing device and image forming apparatus | Shigemi Murata, Shinji Okuyama, Norihiro TAMAZAWA | 2015-09-22 |
| 9046824 | Developing device and image forming apparatus | Shota Oba, Makoto Hirota, Yoshitaka Nakajima, Ryota Tomishi | 2015-06-02 |
| 8971770 | Developer-agitating transporter, developing device, and image forming apparatus | Yoshitaka Nakajima, Makoto Hirota, Shota Oba, Ryota Tomishi | 2015-03-03 |
| 8948663 | Developing device and image-forming apparatus | Ryota Tomishi, Yoshitaka Nakajima | 2015-02-03 |
| 8811863 | Developing device and image forming apparatus | Takashi Ochi, Shota Oba, Shinichi Kuramoto, Yoshitaka Nakajima | 2014-08-19 |
| 8768225 | Image forming apparatus having a developer holder with a concavo-convex outer surface | Shota Oba, Takashi Ochi, Yoshitaka Nakajima, Akihisa Maruyama, Toshihiro Kanematsu | 2014-07-01 |
| 8676094 | Developing device, visible image forming device, and image forming apparatus | Yoshitaka Nakajima, Shota Oba, Takashi Ochi, Akihisa Maruyama, Toshihiro Kanematsu | 2014-03-18 |
| 8548364 | Developing device and image-forming apparatus | Shota Oba, Takashi Yamamuro, Takashi Ochi, Shinichi Kuramoto | 2013-10-01 |
| 8447216 | Development unit, image forming apparatus, and gap adjusting method | Shota Oba, Takashi Ochi, Yoshitaka Nakajima, Shinichi Kuramoto | 2013-05-21 |
| 8437649 | Developing device and image forming device | Takashi Ochi, Shota Oba | 2013-05-07 |
| 8401440 | Developing device and image forming apparatus | Shota Oba, Takashi Ochi | 2013-03-19 |
| 7702264 | Image forming apparatus | Makoto Hirota, Takashi Yamamuro, Shota Oba, Akihiko Noda, Yoshifumi Ozaki | 2010-04-20 |
| 7697864 | Developing device | Shota Oba, Takashi Yamamuro, Makoto Hirota, Masahiro Andoh | 2010-04-13 |
| 6416919 | Carrier, developer, and image-forming method | Kazuhiko Yanagida, Suk Kim, Taku Fukuhara, Yasuhiro Oda | 2002-07-09 |
| 6391506 | Carrier, developer, and image-forming method | Kazuhiko Yanagida, Suk Kim, Taku Fukuhara, Yasuhiro Oda | 2002-05-21 |
| 5541736 | Color image forming system which conducts charging exposure and development with respect to a photosensitive medium at a plurality of times | Toshiaki Sagara, Toru Teshigawara, Yasuki Yamauchi, Haruyuki Namba, Takuto TANAKA +3 more | 1996-07-30 |
| 5463452 | Single-component developing apparatus | Masaaki Fukuhara, Makoto Hirota, Mitsuo Yamamoto, Jun Abe, Hideaki Miyata +5 more | 1995-10-31 |
| 5247333 | One-component developing apparatus | Mikio Yamamoto, Hidekiyo Tachibana, Masashi Kajimoto, Yutaka Toyoda, Jun Abe +2 more | 1993-09-21 |