Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454135 | Air bubble removal in an ink jet printer | Takaichiro Umeda, Tsuyoshi Suzuki, Seiji Shimizu, Takamasa Usui, Yoichiro Shimizu | 2013-06-04 |
| 8262205 | Liquid discharge device | — | 2012-09-11 |
| 8162452 | Liquid discharge device | — | 2012-04-24 |
| 8007070 | Ink-jet printer and maintenance method for ink-jet printer | Hisaki Sakurai | 2011-08-30 |
| 7891786 | Ink-jet printer and method of controlling ink-jet printer | — | 2011-02-22 |
| 7878621 | Ink-jet printer and method of sucking ink from air-discharge cap of ink-jet printer | Nobuo Hiraki, Takaichiro Umeda, Noritsugu Ito, Tatsuya Shindo, Wataru Sugiyama +2 more | 2011-02-01 |
| 7748808 | Droplet ejection apparatus and inkjet recording apparatus | Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai | 2010-07-06 |
| 7712864 | Apparatus and method for maintaining recording head | Tatsuya Shindo, Kiyoharu Hayakawa, Katsunori Nishida | 2010-05-11 |
| 7654656 | Ink-jet recording apparatus | Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai | 2010-02-02 |
| 7641326 | Ink jet recording apparatus | Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai | 2010-01-05 |
| 7556340 | Ink jet recording apparatus | Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai | 2009-07-07 |
| 7410248 | Air bubble removal in an ink jet printer | Takaichiro Umeda, Tsuyoshi Suzuki, Seiji Shimizu, Takamasa Usui, Yoichiro Shimizu | 2008-08-12 |
| 7328983 | Ink-jet printer and method of controlling ink-jet printer | — | 2008-02-12 |
| 6955426 | Ink jet printer | Seiji Shimizu, Tsuyoshi Suzuki, Katsunori Nishida, Takamasa Usui | 2005-10-18 |
| 6886926 | Ink-jet printer with ink path and method of forming the ink path | Takamasa Usui | 2005-05-03 |
| 6805438 | Ink jet printer | Seiji Shimizu, Tsuyoshi Suzuki, Katsunori Nishida, Takamasa Usui | 2004-10-19 |
| 6793332 | Ink housing device effectively preventing ink leakage | Katsunori Nishida | 2004-09-21 |
| 6786584 | Ink housing device reliably preventing ink leakage | Katsunori Nishida | 2004-09-07 |
| 6742877 | Ink-jet recording apparatus | Takamasa Usui, Tsuyoshi Suzuki | 2004-06-01 |
| 6685310 | Ink-jet recording apparatus | Takamasa Usui | 2004-02-03 |
| 6609792 | Data transmission element for use in an ink-jet printer | Seiji Shimizu, Tsuyoshi Suzuki, Katsunori Nishida, Takamasa Usui | 2003-08-26 |
| 5106072 | Sheet feeding device | Toshiaki Sugiura, Shigeo Ishikawa, Hiroshi Tokuda | 1992-04-21 |
| 5052673 | Sheet feeding device | Hiroshi Tokuda, Shigeo Ishikawa, Toshiaki Sugiura | 1991-10-01 |
| 5021805 | Recording device with sheet heater | Mamoru Imaizumi | 1991-06-04 |