CHANG; Chun-yu

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHANG; Chun-yu.The latest application filed is for "lead-free and copper-free tin alloy and solder ball for ball grid array package".

Company Profile

0.5.13

CHANG; Chun-yu - Taoyuan City TW
Chang; Chun-Yu - Tainan TW
CHANG; Chun-Yu - Kaohsiung City TW
Chang; Chun-Yu - Tainan City TW
CHANG; Chun-Yu - Taipei City TW
Chang; Chun-Yu - Hsinchu County TW
Chang; Chun-Yu - Hsinchu TW
Chang; Chun-Yu - Taiping City TW
Chang; Chun-Yu - Feng Shan City TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Lead-free And Copper-free Tin Alloy And Solder Ball For Ball Grid Array Package App 20210207246 - CHANG; Chun-yu ; et al.	2021-07-08
Double-bead horizontal and vertical spirit level, apparatus using the spirit level, and method of measuring distance and height by using the apparatus Grant 9,733,079 - Lin , et al. August 15, 2	2017-08-15
Heat Dissipation Casing And Method For Making The Same App 20160278235 - TSAI; Ching-Shan ; et al.	2016-09-22
Method For Making A Heat Dissipation Element App 20160271840 - TSAI; Ching-Shan ; et al.	2016-09-22
Double-bead Horizontal and Vertical Spirit Level, Apparatus Using The Spirit Level, and Method of Measuring Distance and Height by Using The Apparatus App 20160116279 - Lin; Li-Hua ; et al.	2016-04-28
Perovskite Solar Cell App 20160079552 - SU; Wei-Fang ; et al.	2016-03-17
Donor-acceptor Alternating Conjugated Polymer And Solar Cell Device Manufactured By Using The Same App 20150114467 - SU; Wei-Fang ; et al.	2015-04-30
Printing control method and printing system sending color components to the printer except for color components that contain zeros for all content Grant 8,830,532 - Chang September 9, 2	2014-09-09
Printing Control Method And Printing System Using The Same App 20130286414 - Chang; Chun-Yu	2013-10-31
Method for improving printing quality and related printing system Grant 8,472,072 - Chang June 25, 2	2013-06-25
Carrier Component And Fabrication Method Thereof App 20120189688 - Liu; Dean-Mo ; et al.	2012-07-26
Method For Improving Printing Quality And Related Printing System App 20110235068 - Chang; Chun-Yu	2011-09-29
Structure And Preparation Of Cigs-based Solar Cells Using An Anodized Substrate With An Alkali Metal Precursor App 20110146795 - Chang; Zue-Chin ; et al.	2011-06-23
Intelligent print/copy management system App 20080273223 - Tsai; Yao-Lu ; et al.	2008-11-06
Manufacturing method and a molding die for a head body, made of a composite material, of a golf club App 20060145393 - Hsieh; Hsiung-Ching ; et al.	2006-07-06

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