Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523315 | Recording device with a storage section including an absorption member to store a waste liquid collected from a recording head according to the operation of a pump which receives information from a processing unit which retains information about waste liquid retention and pump operation times | — | 2013-09-03 |
| 8079686 | Liquid storage container and recording apparatus | — | 2011-12-20 |
| 7556366 | Ink cartridge | Kiyomitsu Kudo, Akira Tsujimoto, Satoshi Kudo, Toru Suzuki | 2009-07-07 |
| 7552997 | Ink cartridge | Toru Suzuki, Akira Tsujimoto, Kiyomitsu Kudo | 2009-06-30 |
| 7431438 | Ink cartridge, recording apparatus employing ink cartridge, and manufacturing method for ink cartridge | Akira Tsujimoto, Kiyomitsu Kudo, Satoshi Kudo, Toru Suzuki | 2008-10-07 |
| 7192127 | Ink cartridge | Kiyomitsu Kudo, Akira Tsujimoto, Satoshi Kudo, Toru Suzuki | 2007-03-20 |
| 7014302 | Ink jet recording apparatus | Toshihiko Ujita | 2006-03-21 |
| 7014306 | Liquid reservoir apparatus | Hiroshi Netsu, Toshihiko Ujita, Hideaki Okamoto | 2006-03-21 |
| 6805436 | Ink storing device | Toshihiko Ujita, Hiroshi Netsu, Hideaki Okamoto | 2004-10-19 |
| 6613131 | Gas-liquid separation membrane and production method thereof | Toshihiko Ujita, Akira Tsujimoto, Yasuo Kotaki, Kiyomitsu Kudo | 2003-09-02 |
| 6520611 | Print head and printer apparatus using the same | Hiroyuki Ishinaga, Fumio Murooka, Tatsuo Furukawa, Hiroyuki Maru, Masaaki Izumida +1 more | 2003-02-18 |
| 6508533 | Ink-jet printing apparatus and recovery processing method of ejection port | Akira Tsujimoto, Tadayoshi Inamoto, Isao Kimura, Aya Yoshihira, Kiyomitsu Kudo +1 more | 2003-01-21 |
| 6508538 | Liquid ejection head, head cartridge and ejection apparatus with plural, independent liquid supply means | Toru Suzuki, Akira Tsujimoto | 2003-01-21 |
| 6439690 | Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Masami Kasamoto, Fumio Murooka, Tatsuo Furukawa +6 more | 2002-08-27 |
| 6382764 | Printing method and apparatus for counting number of ejected ink droplets for controlling printhead recovery | — | 2002-05-07 |
| 6293652 | Method for coupling liquid jet head units, a liquid jet head unit, and a liquid jet head cartridge | Teruo Arashima, Kazuaki Masuda, Hajime Yamamoto, Minoru Nozawa, Akihiro Yamanaka +4 more | 2001-09-25 |
| 6247777 | Recording apparatus and method having a temperature overrise protection function | — | 2001-06-19 |
| 6243109 | Print head with driving, transmission and control devices on single substrate | Hiroyuki Ishinaga, Fumio Murooka, Tatsuo Furukawa, Hiroyuki Maru, Masaaki Izumida +1 more | 2001-06-05 |
| 6010201 | Recording head utilizing an electrically conductive film to detect ink remains and ink jet recording apparatus having said recording head | — | 2000-01-04 |
| 5900891 | Ink jet recording method and ink jet recording apparatus | — | 1999-05-04 |
| 5880762 | Ink jet head with preliminary heater element | Hiroyuki Ishinaga, Kazuaki Masuda, Masami Kasamoto, Fumio Murooka, Tatsuo Furukawa +6 more | 1999-03-09 |
| 5877784 | Printhead, printing apparatus and printing method using printhead | Hiroyuki Maru, Fumio Murooka, Tatsuo Furukawa, Hiroyuki Ishinaga, Masaaki Izumida +1 more | 1999-03-02 |
| 5838340 | Ink-jet printing method and apparatus therefor | — | 1998-11-17 |
| 5831645 | Ink jet recording apparatus and method for recovering an ink jet recording head used for such apparatus | — | 1998-11-03 |
| 5731828 | Ink jet head, ink jet head cartridge and ink jet apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Masami Kasamoto, Fumio Murooka, Tatsuo Furukawa +6 more | 1998-03-24 |