Issued Patents All Time
Showing 176–200 of 253 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458790 | Vacuum pump with improved oil lubrication | Ryosuke Koshizaka, Yuya Izawa, Masahiro Inagaki, Kentaro Ishihara | 2008-12-02 |
| 7457554 | Image forming apparatus wherein an image forming region and a non-image forming region are charged with different potentials | Kohei Matsuda, Tetsuya Kobayashi, Masato Koyanagi, Kentaro Kawata, Shinichi Agata | 2008-11-25 |
| 7440938 | Method and apparatus for calculating similarity among documents | Tadataka Matsubayashi, Natsuko Sugaya, Michio Iijima, Yuichi Ogawa, Yuuki Watanabe +1 more | 2008-10-21 |
| 7389673 | Sensor for detecting analyte in liquid and device for detecting analyte in liquid using the same | Tetsuya Kimura, Koji Fujimoto, Kenjiro Okaguchi, Ryoichi Morimoto, Toru Yabe | 2008-06-24 |
| 7364414 | Fluid pump system | Satoru Kuramoto, Nobuaki Hoshino, Ryosuke Koshizaka, Mamoru Kuwahara | 2008-04-29 |
| 7277659 | Image forming apparatus and seal retractor | Tetsuya Kobayashi, Kohei Matsuda, Masato Koyanagi, Shinichi Agata, Kentaro Kawata | 2007-10-02 |
| 7255541 | Fluid pump | Satoru Kuramoto, Masahiro Kawaguchi, Nobuaki Hoshino, Mamoru Kuwahara | 2007-08-14 |
| 7209690 | Developing apparatus | Masato Koyanagi, Tetsuya Kobayashi, Kohei Matsuda, Shinichi Agata, Kentarou Kawata +1 more | 2007-04-24 |
| 7200350 | Image forming apparatus switching developing rollers of mounted process cartridges between contact and spaced states and switching the contact position of a feeding belt contactable to drums of the mounted cartridges | Shinichi Agata, Kohei Matsuda | 2007-04-03 |
| 7181239 | Portable telephone apparatus with camera | Ken Ofuchi, Masao Mimura | 2007-02-20 |
| 7158161 | Organic electroluminescence element and an exposure unit and image-forming apparatus both using the element | Akira Gyoutoku, Takafumi HAMANO, Yuji Toyomura, Tetsuro Nakamura, Kenichi Masumoto | 2007-01-02 |
| 7150167 | Control device for brushless motor and washing machine having the device | Yoshio Tomigashi, Akira Okonogi | 2006-12-19 |
| 7140846 | Vacuum pump having main and sub pumps | Satoru Kuramoto, Osamu Uchiyama, Daisuke Sato, Mika Fujiwara, Masahiro Kawaguchi +3 more | 2006-11-28 |
| 7130849 | Similarity-based search method by relevance feedback | Takaaki Yayoi, Tadataka Matsubayashi, Yasuhiko Inaba, Yuichi Ogawa, Masayuki Hamakawa | 2006-10-31 |
| 7108492 | Roots pump | Mamoru Kuwahara, Mika Fujiwara, Nobuaki Hoshino | 2006-09-19 |
| 7068955 | Image forming apparatus having developer amount detector | Hiroshi Sasame, Kazushige Sakurai, Takashi Hibi, Hiroaki Ogata, Tomomi Kakeshita | 2006-06-27 |
| 7058320 | Image forming apparatus, cartridge detachably mountable to the image forming apparatus, developer remainder displaying method and system | Hiroaki Ogata | 2006-06-06 |
| 6971859 | Diaphragm unit | Satoru Kuramoto, Mamoru Kuwahara | 2005-12-06 |
| 6925267 | MEMORY DEVICE STORING INFORMATION WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT, A PROCESS CARTRIDGE INCLUDING A MEMORY STORING SUCH INFORMATION, AND A CONTROL SYSTEM AND A MEMORY SYSTEM FOR WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT | Hiroshi Sasame, Kazushige Sakurai, Takashi Hibi, Hiroaki Ogata, Tomomi Kakeshita | 2005-08-02 |
| 6912366 | IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEVELOPER CONTAINER, A MEMORY FOR STORING THE AMOUNT DETECTED BY THE DETECTING MEANS, AND CONTROL MEANS FOR UPDATING THE INFORMATION STORED IN THE MEMORY | Hiroshi Sasame, Kazushige Sakurai, Takashi Hibi, Hiroaki Ogata, Tomomi Kakeshita | 2005-06-28 |
| 6909869 | Developer regulating member and developing apparatus | Tetsuya Kobayashi, Yasunari Watanabe, Yasuomi Aso, Masato Koyanagi | 2005-06-21 |
| 6874989 | Vacuum pump | Satoru Kuramoto, Masahiro Kawaguchi, Daisuke Sato, Osamu Uchiyama | 2005-04-05 |
| 6795672 | Developer regulating member and developing apparatus including the same | Koichiro Takashima | 2004-09-21 |
| 6714745 | Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus | Hiroshi Sasame, Hiroaki Ogata, Tomomi Kakeshita | 2004-03-30 |
| 6688863 | Oil leak prevention structure of vacuum pump | Nobuaki Hoshino, Masahiro Kawaguchi, Hiroyuki Ishigure | 2004-02-10 |