Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chih-Ching Cheng — 30 Patents

HOHuga Optotech: 8 patents #2 of 42Top 5%
UCUnique Product & Design Co.: 7 patents #2 of 5Top 40%
TSMC: 6 patents #3,824 of 12,232Top 35%
BJBaby Jogger: 4 patents #3 of 31Top 10%
NUNational Cheng Kung University: 1 patents #348 of 1,128Top 35%
XCXiamen San'An Optoelectronics Co.: 1 patents #71 of 149Top 50%
XCXiamen Sanan Optoelectronics Technology Co.: 1 patents #109 of 181Top 65%
DBDynamic Brands: 1 patents #5 of 11Top 50%
EPEpistar: 1 patents #519 of 732Top 75%
KCKingstar Baby Carriage Co.: 1 patents #2 of 4Top 50%
Overall (All Time): #120,591 of 4,157,543Top 3%
30 Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12334314 Dry etcher uniformity control by tuning edge zone plasma sheath Po-Lung HUNG, Yi-Tsang Hsieh, Yu-Hsi TANG, Chih-Teng Liao 2025-06-17
12205844 Plasma control method in semiconductor wafer fabrication Huang-Shao Ko, Jui Fu Hsieh, Chih-Teng Liao 2025-01-21
12142494 Small gas flow monitoring of dry etcher by OES signal Po-Lung HUNG, Yi-Tsang Hsieh, Yu-Hsi TANG, Chih-Teng Liao 2024-11-12
11993301 Unlocking device with pause function 2024-05-28
11827265 Movable carrier and folding method therefor 2023-11-28
11052933 Moving carrier and folding method thereof 2021-07-06
10879051 Method for controlling exposure region in bevel etching process for semiconductor fabrication Chun-Hsing Wu, Hung Jui Chang, Yi-Wei Chiu, Kun-Cheng Chen 2020-12-29
10575656 Carrying device and folding method thereof 2020-03-03
10556608 Moving carrier 2020-02-11
10494006 Moving carrier 2019-12-03
10173710 Cart 2019-01-08
10158046 Semiconductor element and fabrication method thereof Zhibo XU, Sheng-Wei Chou, Xiao-Lin Wang 2018-12-18
10115858 Light emitting diode and fabrication method thereof Chan-Chan Ling, Chia-Hung Chang 2018-10-30
9972526 Method for forming conductive structure in semiconductor structure Chia-Hsin Tai, Fang Wu, Yi-Wei Chiu 2018-05-15
9431221 Plasma-processing apparatus with upper electrode plate and method for performing plasma treatment process Po-Ju Chen, Hsin-Yi Tsai, Xiao-Meng Chen 2016-08-30
9365230 Folding baby stroller 2016-06-14
9263530 Field effect transistor Tsung-Cheng Chang 2016-02-16
9187113 Folding baby stroller 2015-11-17
8899613 Folding baby stroller 2014-12-02
8896012 Light emitting diode 2014-11-25
8529822 Method for manufacturing a flexible optical plate, product and backlight module made therewith Chen-Kuei Chung, Shih-Lung Lin, Yuan-Jie Syu, Kun-Lin Sher 2013-09-10
8308391 Folding baby stroller 2012-11-13
8258531 Semiconductor devices Ching-Wen Tung 2012-09-04
8247822 Semiconductor light-emitting device Tzong-Liang Tsai, Shu Hui Lin 2012-08-21
8143081 Method for dicing a diced optoelectronic semiconductor wafer Chiung-Chi Tsai 2012-03-27