JC

Junhua Chang

SE Seiko Epson: 19 patents #952 of 7,774Top 15%
Overall (All Time): #240,346 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8840228 Liquid ejection head 2014-09-23
8449085 Liquid ejection head 2013-05-28
8182074 Liquid ejection head 2012-05-22
7997693 Liquid ejection head 2011-08-16
7708388 Liquid ejection head 2010-05-04
7265481 Piezoelectric actuator and fluid ejection head having the same Takahiro Katakura 2007-09-04
7140554 Liquid ejection head 2006-11-28
7073878 Liquid ejecting apparatus and controlling unit of liquid ejecting apparatus Keisuke Nishida 2006-07-11
6824238 Liquid jetting apparatus and method of driving the same 2004-11-30
6802589 Liquid-jetting apparatus and method of driving the same Shuji Yonekubo, Keiji Matsumoto 2004-10-12
6619777 Liquid jet apparatus and method for driving the same 2003-09-16
6494556 Liquid jetting apparatus, method of driving the same, and computer-readable record medium storing the method Tomohiro Sayama 2002-12-17
6471317 Liquid jetting apparatus 2002-10-29
6450603 Driver for ink jet recording head 2002-09-17
6431675 Method of driving an ink jet printhead 2002-08-13
6371587 Ink jet recording apparatus 2002-04-16
6099111 Ink jet recording head 2000-08-08
5541628 Ink-jet type recording device Kenichi Kanbayashi, Hiroe Niimura, Toshihisa Saruta, Haruo Nakamura 1996-07-30
5453767 Method for forming ink droplets in ink-jet type printer and ink-jet type recording device Toshihisa Saruta 1995-09-26