Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7068955 | Image forming apparatus having developer amount detector | Shinya Yamamoto, Kazushige Sakurai, Takashi Hibi, Hiroaki Ogata, Tomomi Kakeshita | 2006-06-27 |
| 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 | Shinya Yamamoto, 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 | Shinya Yamamoto, Kazushige Sakurai, Takashi Hibi, Hiroaki Ogata, Tomomi Kakeshita | 2005-06-28 |
| 6714745 | Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus | Hiroaki Ogata, Shinya Yamamoto, Tomomi Kakeshita | 2004-03-30 |
| 6594451 | Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus | Tomomi Kakeshita, Hiroaki Ogata, Shinya Yamamoto | 2003-07-15 |
| 6546212 | Image forming apparatus and unit detachably attachable to the same image forming apparatus and information displaying system related to unit detachably attachable to the same image forming apparatus | Hiroaki Ogata, Shinya Yamamoto | 2003-04-08 |
| 6493519 | Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus | Hiroaki Ogata, Shinya Yamamoto, Tomomi Kakeshita | 2002-12-10 |
| 6477319 | Image recording apparatus which sends charasteristic/correction signals whenever new look-up table are selected or a pre-selected number of pages have been printed | Michio Ito, Masaharu Ohkubo, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 2002-11-05 |
| 6453139 | Image forming apparatus | Hiroaki Ogata, Yasunari Watanabe, Shinya Yamamoto, Motoki Adachi | 2002-09-17 |
| 6415127 | Developing apparatus having a direct or alternating current applied thereto | Shinya Yamamoto, Tetsuya Kobayashi, Kouji Hashimoto, Yasunari Watanabe | 2002-07-02 |
| 6347198 | Image forming apparatus having developer amount detecting means and cartridge detachably mountable on the apparatus having a memory for storing information on the amount of developer detected by detecting means | Shinya Yamamoto, Soya Endo | 2002-02-12 |
| 6253035 | Image forming apparatus having means for detecting amount of developer used and means for detecting failure of used developer amount detecting means | Takashi Kawana, Yoshimi Ogasawara, Fumihiro Ueno, Eiichiro Teshima, Tomoyuki Okada | 2001-06-26 |
| 6134025 | Dot image data output apparatus | Akihiko Takeuchi, Takashi Kawana, Kaoru Seto, Michio Itoh, Hiroshi Atobe +8 more | 2000-10-17 |
| 6108105 | Dot image output apparatus | Akihiko Takeuchi, Takashi Kawana, Kaoru Seto, Michio Itoh, Hiroshi Atobe +8 more | 2000-08-22 |
| 6104891 | Color image forming apparatus | Youichirou Maebashi | 2000-08-15 |
| 6101286 | Image processing apparatus and method having improved color-boundary mixing | Satoshi Shimizu, Haruo Fujii, Tatsuya Kobayashi, Takashi Kawana, Tetsuya Kobayashi +5 more | 2000-08-08 |
| 5982983 | Image recording system accommodating various output devices | Michio Ito, Masaharu Ohkubo, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 1999-11-09 |
| 5940654 | Image forming apparatus with development control based on density detection of developed control image | Akihiko Uchiyama, Tatsuya Kobayashi, Youichirou Maebashi | 1999-08-17 |
| 5930570 | Oriented foamed rotary member, and developing device using same | Yoshiro Saito, Tatsuhiko Hayakawa, Tetsuya Kobayashi, Naoki Enomoto, Tomoyuki Ohkura +1 more | 1999-07-27 |
| 5873010 | Image forming apparatus for performing correction control, based on density of toner image | Naoki Enomoto, Takao Aoki, Haruo Fujii, Tatsuhiko Hayakawa, Tatsuya Kobayashi +4 more | 1999-02-16 |
| 5859948 | Images processing apparatus for controlling binarized multi-value image data to convert pulse widths differently in at least two modes | Michio Ito, Masaharu Ohkubo, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 1999-01-12 |
| 5768670 | Developer regulating member having thermoplastic resin layers provided on both sides of a rubber member, method of manufacturing the same, and developing device using the same | Naoki Enomoto, Toru Ishigaki, Tetsuya Kobayashi, Yoshiro Saito, Arihiro Yamamoto | 1998-06-16 |
| 5754188 | Data processing apparatus | Kaoru Seto, Hiroshi Mano, Toshio Yoshimoto, Takashi Soya, Atsushi Kashihara +8 more | 1998-05-19 |
| 5697028 | Developer-supplying roller having a surface-modifying powder | Tetsuya Kobayashi, Tatsuhiko Hayakawa, Naoki Enomoto, Yoshiro Saito | 1997-12-09 |
| 5689783 | Elastic blade and developing device using the same | Toru Ishigaki, Noriyuki Yanai, Tetsuya Kobayashi, Naoki Enomoto, Yoshiro Saito +1 more | 1997-11-18 |