Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835048 | Vacuum pump device and lifting-type gate valve | — | 2023-12-05 |
| 11149737 | Deposition detection device for exhaust pump and exhaust pump having the same | — | 2021-10-19 |
| 9879553 | Fixed blade assembly usable in exhaust pump, and exhaust pump provided with same | Yongwei Shi, Manabu Nonaka | 2018-01-30 |
| 9777612 | Deposit detection device for exhaust pump and exhaust pump | — | 2017-10-03 |
| 8958731 | Rotation shaft coupling structure, intermediate transfer unit including the same, and image forming apparatus | Akihiro Ouchi, Kazuyuki Yagata, Kenji Suzuki, Yoshiya Mashimo, Shinichi Kanaya +1 more | 2015-02-17 |
| 8849173 | Developer collecting device which reduces clogging of filter and image forming apparatus | Kiyotoshi Kaneyama, Masatoshi Yamada, Kazuyuki Yagata, Katsunori Kikuchihara | 2014-09-30 |
| 8768217 | Drive and image forming apparatus | Kazuyuki Yagata, Akihiro Ouchi, Kenji Suzuki, Yoshiya Mashimo, Shinichi Kanaya +1 more | 2014-07-01 |
| 8763985 | Plate rotating device, exhaust path opening degree changing device, exhausted device, transfer device, beam device, and gate valve | Masaharu Miki | 2014-07-01 |
| 8750747 | Developer collecting device and image forming apparatus | Kazuyuki Yagata, Masaaki Tokunaga, Kiyotoshi Kaneyama, Masatoshi Yamada, Katsunori Kikuchihara +1 more | 2014-06-10 |
| 8699935 | Developer conveying apparatus and image forming apparatus | Kazumi Yamanaka, Masaaki Tokunaga, Hirofumi Goto, Shinichi Kawamata, Hiroaki Yagi +1 more | 2014-04-15 |
| 8571453 | Image forming apparatus and charge eliminating device | Yoshihisa Nakao, Kiyotoshi Kaneyama | 2013-10-29 |
| 8554120 | Image forming apparatus and computer readable medium storing program | Yoshihisa Nakao, Katsunori Kikuchihara, Katsuya Takenouchi, Yoshiya Mashimo, Hiroyuki Koide +4 more | 2013-10-08 |
| 8443962 | Removable unit and image forming apparatus | Kiyotoshi Kaneyama, Kazuyuki Yagata, Kenji Suzuki | 2013-05-21 |
| 8403652 | Molecular pump and flange having shock absorbing member | Yasushi Maejima, Yoshinobu Ohtachi, Rumiko Wada, Chris Bailey, Dawn Stephenson +1 more | 2013-03-26 |
| 8385770 | Developer recovery device and image forming device | Masatoshi Yamada, Katsuya Takenouchi, Katsunori Kikuchihara, Yoshihisa Nakao, Kazuyuki Yagata +2 more | 2013-02-26 |
| 7943803 | Clathrate compound, method for controlling concentration of aqueous agricultural chemical active ingredient solution, and agricultural chemical formulation | Natsuki Amanokura, Tetsuya Sahara, Hiroshi Suzuki, Yuichi Maekawa, Kiyoshi Katsuura | 2011-05-17 |
| 7737309 | Clathrate compound, method for controlling concentration of aqueous agricultural chemical active ingredient solution, and agricultural chemical formulation | Natsuki Amanokura, Tetsuya Sahara, Hiroshi Suzuki, Yuichi Maekawa, Kiyoshi Katsuura | 2010-06-15 |
| 7140847 | Integrated high vacuum pumping system | Michael Boger, Daimhin Paul Murphy, Christopher Mark Bailey | 2006-11-28 |
| 6869262 | Vacuum apparatus and transfer apparatus | Yoshihiro Yamashita | 2005-03-22 |
| 6298212 | Apparatus providing improved image transfer to an intermediate transfer belt | Noriyoshi Kono, Yukio Hayashi, Nobukazu Takahashi | 2001-10-02 |
| 5923938 | Recording-sheet adsorbing apparatus | Takashi Kawabata, Yukio Hayashi, Nobuo Hyakutake | 1999-07-13 |
| 5848340 | Transfer drum | Junichirou Sameshima, Yukio Hayashi | 1998-12-08 |
| 5842082 | Image forming apparatus having induced charge density suppressing device for preventing electrostatic hysteresis phenomenon | Nobuo Hyakutake, Tetsuya Fujita, Kazuhiro Yoshihara | 1998-11-24 |
| 5822665 | Image forming apparatus having means for preventing vibration of a transfer film caused from the operation of a separating device | Keiji Yamamoto, Nobuyoshi Komatsu, Masaaki Tokunaga, Satoshi Fukada, Tetsuya Fujita +2 more | 1998-10-13 |
| 5784668 | Image forming apparatus | Nobuo Hyakutake, Junichi Hama, Tetsuya Fujita, Nobuyoshi Komatsu | 1998-07-21 |