Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274866 | Toner container, image forming unit including the toner container, and image forming apparatus including the toner container | Tetsu Koyama, Atsushi Ota | 2019-04-30 |
| 9927738 | Developer storage container, developing device, image forming apparatus and substrate support structure | — | 2018-03-27 |
| D752136 | Image drum cartridge | Yukiyoshi Oda, Shinichi Otani | 2016-03-22 |
| 9239566 | Image formation unit and image formation apparatus | — | 2016-01-19 |
| D733794 | Toner cartridge | Yukiyoshi Oda, Shinichi Otani, Atsushi Kobayashi | 2015-07-07 |
| D727412 | Toner cartridge | Yukiyoshi Oda, Shinichi Otani | 2015-04-21 |
| 8260169 | Developer storing container, developing unit, developing device and image forming apparatus capable of reducing the developer from being scattered | — | 2012-09-04 |
| 8218998 | Developer storing container having a seal to prevent toner leakage | — | 2012-07-10 |
| 8213840 | Developer material holding apparatus, process cartridge to which the developer material holding apparatus is attached, and image forming apparatus to which the process cartridge is attached | Junichi Itou, Alan Davidson, Peter H. Barnes | 2012-07-03 |
| 8050591 | Powder developer holding apparatus, developing apparatus, and image forming apparatus | — | 2011-11-01 |
| 7447463 | Developing device and image forming apparatus | — | 2008-11-04 |
| 7333755 | Developing device having developer supply unit and image forming apparatus | — | 2008-02-19 |
| D546873 | Toner cartridge | Shinichi Otani, Tetsu Koyama, Masayuki Suzuki, Atsushi Kobayashi, Tetsuji Kojima +2 more | 2007-07-17 |
| D529076 | Image drum cartridge | Atsushi Kobayashi, Masayuki Suzuki, Yasushi Nakasone, Tetsuji Kojima, Tetsu Koyama +2 more | 2006-09-26 |
| 6560430 | Developing unit having an opening allowing toner to fall directly onto a developing member and supplying member contact area | Eisaku Muto, Noboru Ooishi, Tetsu Koyama | 2003-05-06 |
| 6367912 | Ink jet recording apparatus | Mitsuru Kishimoto, Hideyuki Kobayashi, Noboru Ooishi, Kiyoshi Ikeda, Takeo Fujii +2 more | 2002-04-09 |
| 6098257 | Method of manufacturing a print head for use with an ink jet printer | Mitsuru Kishimoto, Noboru Ooishi, Masahiko Shimosugi, Kiyoshi Ikeda | 2000-08-08 |
| 5896144 | Ink jet recording apparatus having unitary cap with wiper portion formed therewith | Mitsuru Kishimoto, Noboru Ooishi, Masahiko Shimosugi | 1999-04-20 |
| 5889538 | Ink jet recording apparatus | Mitsuru Kishimoto, Noboru Ooishi, Kiyoshi Ikeda, Masahiko Shimosugi, Nobutoshi Chigira +1 more | 1999-03-30 |
| 5870115 | Ink-jet printer with improved capping mechanism | Hiroshi Kikuchi, Mitsuru Kishimoto, Noboru Ooishi, Masahiko Shimosugi | 1999-02-09 |