Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WC

Wook Chang — 43 Patents

Samsung: 40 patents #2,716 of 75,807Top 4%
OCOci Company: 2 patents #13 of 112Top 15%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Seoul, KR: #1,066 of 39,741 inventorsTop 3%
Overall (All Time): #69,380 of 4,157,543Top 2%
43 Patents All Time
Wook Chang has been granted 43 US patents while listed as an inventor at Samsung. The first was granted in 2006 and the most recent in September 2019. Wook Chang ranks #69,380 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Wook Chang in Seoul, KR.

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
10423221 Apparatus and method for controlling portable terminal Jung-hyun Shim, Kee-eung Kim, Hyun Jin Kim, Joon Ah Park, Ho-yeal Lee +3 more 2019-09-24
10268311 Apparatus and method for controlling operation of mobile terminal Joon Ah Park, Hyun Jeong Lee 2019-04-23
10167425 Etching solution capable of suppressing particle appearance Hoseong Yoo, Seunghyun Han, Yongil Kim 2019-01-01
10114509 Multi-touch device having impedances positioned at electrode cross points and operation method therefor for detecting touch inputs 2018-10-30
10108255 Apparatus and method for controlling portable terminal Jung-hyun Shim, Kee-eung Kim, Hyun Jin Kim, Joon Ah Park, Ho-yeal Lee +3 more 2018-10-23
9845241 Method of purifying yellow phosphorus Seung Hyun Han, Yeon Hee Lee 2017-12-19
9733757 Apparatus and method for controlling operation of mobile terminal Joon Ah Park, Hyun Jeong Lee 2017-08-15
9552019 Portable terminal having display buttons and method of inputting functions using display buttons Chang Kyu Choi, Sun-gi Hong, Won-chul Bang, Jung-hyun Shim, Soon-joo Kwon +1 more 2017-01-24
9529497 Apparatus, method, and medium for providing user interface for file transmission Hyun Jeong Lee, Joon Ah Park 2016-12-27
9454222 Device for object manipulating with multi-input sources Hyun Jeong Lee, Seung Ju Han, Joon Ah Park, Jeong Hwan Ahn 2016-09-27
9454223 Apparatus and method for controlling portable terminal Jung-hyun Shim, Kee-eung Kim, Hyun Jin Kim, Joon Ah Park, Ho-yeal Lee +3 more 2016-09-27
9274652 Apparatus, method, and medium for sensing movement of fingers using multi-touch sensor array Seong-il Cho, Joon Ah Park, Byung-seok Soh 2016-03-01
9250770 Portable terminal having display buttons and method of inputting functions using display buttons Chang Kyu Choi, Sun-gi Hong, Won-chul Bang, Jung-hyun Shim, Soon-joo Kwon +1 more 2016-02-02
9218121 Apparatus and method recognizing touch gesture Joon Ah Park, Seung Ju Han, Hyun Jeong Lee 2015-12-22
9170698 Apparatus and method for controlling operation of mobile terminal Joon Ah Park, Hyun Jeong Lee 2015-10-27
9058091 Input device and input method Hyun Jeong Lee, Seung Ju Han, Joon Ah Park 2015-06-16
9060068 Apparatus and method for controlling mobile terminal user interface execution Hyun Jeong Lee, Joon Ah Park 2015-06-16
8928594 Apparatus and method for controlling operation of mobile terminal Joon Ah Park, Hyun Jeong Lee 2015-01-06
8842069 Input apparatus for multi-layer on screen display and method of generating input signal for the same Eun-seok Choi, Dong-yoon Kim, Jong-koo Oh, Won-chul Bang, Sung-jung Cho +1 more 2014-09-23
8717304 Apparatus, method, and medium for multi-touch decision Seong-il Cho, Joon Ah Park, Byung-seok Soh, Kyoung-Ho Kang 2014-05-06
8638309 Apparatus, method, and medium for providing user interface for file transmission Hyun Jeong Lee, Joon Ah Park 2014-01-28
8629835 Input device Hyun Jeong Lee, Seung Ju Han, Joon Ah Park 2014-01-14
8483675 System, method, and medium for managing conversational user interface according to usage pattern for portable operation Seung-Nyung Chung, Kee-eung Kim, Joon Ah Park, Sung-jung Cho 2013-07-09
8402393 Apparatus and method for manipulating virtual object Seung Ju Han, Hyun Jeong Lee, Joon Ah Park 2013-03-19
8345008 Apparatus and method for providing adaptive on-screen keyboard Hyun Jeong Lee, Joon Ah Park 2013-01-01