Chang Il Kim has been granted 31 US patents while listed as an inventor at Sk Hynix . The first was granted in 2003 and the most recent in December 2025. Chang Il Kim ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Chang Il Kim in Gangnae-myeon, KR.
Patents per Year Patents granted per year, 2003 to 2017 Bar chart with a peak of 7 patents in 2015. peak 7 2003: 1 patents 2003 2006: 2 patents 2009: 2 patents 2009 2010: 3 patents 2011: 5 patents 2011 2012: 4 patents 2013: 1 patents 2013 2014: 2 patents 2015: 7 patents 2015 2016: 1 patents 2017: 2 patents 2017 Issued Patents All Time
Showing 1–25 of 31 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12489765 Email security diagnosis device based on quantitative analysis of threat elements, and operation method thereof — 2025-12-02
9665506 Apparatus and method for processing data Sang Eun Lee , Oung Sic Cho 2017-05-30
9658389 Backlight unit and liquid crystal display device including the same Do-Young Jeoung 2017-05-23
$32,000
9509338 Apparatus and method for processing data Sang Eun Lee , Oung Sic Cho 2016-11-29
9214451 Semiconductor chip including a spare bump and stacked package having the same Sang Eun Lee 2015-12-15
9082686 Semiconductor package Sang Eun Lee , Sung Soo Ryu , Seon Kwang Jeon 2015-07-14
9041178 Semiconductor device Seon Kwang Jeon , Sung Soo Ryu 2015-05-26
9007755 Flat panel type image display device and method for manufacturing the same Byung In Park 2015-04-14
$40,000
8982599 Chip die and semiconductor memory device including the same Seon Kwang Jeon , Sung Soo Ryu 2015-03-17
8964441 Semiconductor memory device Seon Kwang Jeon , Sung Soo Ryu 2015-02-24
8953394 Semiconductor device capable of operating in both a wide input/output mode and a high-bandwidth mode Seon Kwang Jeon , Sung Soo Ryu , Jang Ryul Kim 2015-02-10
8872323 Stack package Seon Kwang Jeon 2014-10-28
8803336 Semiconductor package Sang Eun Lee , Sung Soo Ryu , Seon Kwang Jeon 2014-08-12
8462055 Portable terminal Young Seok Jin 2013-06-11
$41,000
8311516 System for maintaining the broadcasting information in USIM unlock environment and method thereof Jong Ho Kim , Kwang Young Kim , Byung Seok Hwang , Min Seok Kim 2012-11-13
$18,758,000
8228240 Portable terminal Hyun-Seock Song 2012-07-24
$88,000
8150451 Portable terminal Hyun-Seock Song , Jae Gon Lee 2012-04-03
$64,000
8090423 Mobile terminal Young Soo Na 2012-01-03
$139,000
8055274 Portable terminal Hyun-Seock Song , Jae Gon Lee 2011-11-08
$54,000
8042751 Nozzle system for injector Myung-Jun Lee , Choong-Won Lee 2011-10-25
8045089 Liquid crystal display — 2011-10-25
$46,000
7978547 Data I/O control signal generating circuit in a semiconductor memory apparatus — 2011-07-12
7892069 Loading device of chemical mechanical polishing equipment for semiconductor wafers Young Min Na , Young Su Heo 2011-02-22
7821857 Input/output line sense amplifier and semiconductor memory device using the same — 2010-10-26
7764557 Sense amplifier driving circuit and semiconductor device having the same — 2010-07-27
