Chang; Junhua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Junhua.The latest application filed is for "liquid ejection head".
- Chang; Junhua - Nagano JP
- Chang; Junhua - Nagano-Ken JP
- Chang; Junhua - Suwa JP
| Patent | Date |
|---|---|
| Liquid ejection head Grant 8,840,228 - Chang September 23, 2 | 2014-09-23 |
| Liquid Ejection Head App 20140111580 - CHANG; Junhua | 2014-04-24 |
| Liquid Ejection Head App 20130235124 - CHANG; Junhua | 2013-09-12 |
| Liquid ejection head Grant 8,449,085 - Chang May 28, 2 | 2013-05-28 |
| Liquid Ejection Head App 20120218353 - CHANG; Junhua | 2012-08-30 |
| Liquid ejection head Grant 8,182,074 - Chang May 22, 2 | 2012-05-22 |
| Liquid Ejection Head App 20110279553 - CHANG; Junhua | 2011-11-17 |
| Liquid ejection head Grant 7,997,693 - Chang August 16, 2 | 2011-08-16 |
| Liquid Ejection Head App 20100165049 - CHANG; Junhua | 2010-07-01 |
| Liquid ejection head Grant 7,708,388 - Chang May 4, 2 | 2010-05-04 |
| Piezoelectric actuator and fluid ejection head having the same Grant 7,265,481 - Chang , et al. September 4, 2 | 2007-09-04 |
| Liquid Ejection Head App 20070085882 - Chang; Junhua | 2007-04-19 |
| Liquid ejection head Grant 7,140,554 - Chang November 28, 2 | 2006-11-28 |
| Liquid ejecting apparatus and controlling unit of liquid ejecting apparatus Grant 7,073,878 - Nishida , et al. July 11, 2 | 2006-07-11 |
| Piezoelectric actuator and fluid ejection head having the same App 20050225205 - Chang, Junhua ; et al. | 2005-10-13 |
| Liquid injection head App 20050205687 - Chang, Junhua | 2005-09-22 |
| Liquid jetting apparatus and method of driving the same Grant 6,824,238 - Chang November 30, 2 | 2004-11-30 |
| Liquid ejecting apparatus and controlling unit of liquid ejecting apparatus App 20040212646 - Nishida, Keisuke ; et al. | 2004-10-28 |
| Liquid-jetting apparatus and method of driving the same Grant 6,802,589 - Yonekubo , et al. October 12, 2 | 2004-10-12 |
| Liquid jet apparatus and method for driving the same Grant 6,619,777 - Chang September 16, 2 | 2003-09-16 |
| Liquid-jetting apparatus and method of driving the same App 20030058302 - Yonekubo, Shuji ; et al. | 2003-03-27 |
| Driver for ink jet recording head Grant 6,450,603 - Chang September 17, 2 | 2002-09-17 |
| Liquid jetting apparatus App 20020076246 - Chang, Junhua | 2002-06-20 |
| Liquid jet apparatus and method for driving the same App 20020033852 - Chang, Junhua | 2002-03-21 |
| Liquid jetting apparatus and method of driving the same App 20020024546 - Chang, Junhua | 2002-02-28 |
| Ink-jet type recording device Grant 5,541,628 - Chang , et al. July 30, 1 | 1996-07-30 |
| Method for forming ink droplets in ink-jet type printer and ink-jet type recording device Grant 5,453,767 - Chang , et al. September 26, 1 | 1995-09-26 |
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