Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CH

Chih-Ho Hsu

ITIchia Technologies: 11 patents #1 of 31Top 4%
DEDarfon Electronics: 7 patents #26 of 225Top 15%
DCDarfon Electronics (Suzhou) Co.: 1 patents #21 of 39Top 55%
PEPrimax Electronics: 1 patents #319 of 571Top 60%
Overall (All Time): #230,039 of 4,157,543Top 6%
19 Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12308185 Keyswitch structure and keyboard therewith Zheng-Hong Lai, Chin-Lung Chan 2025-05-20
11735382 Keyboard device Zheng-Hong Lai, Che-Wei Lee, Chin-Lung Chan 2023-08-22
11367582 Keyboard and keyswitch Che-Wei Lee, Zheng-Hong Lai 2022-06-21
11334172 Keyboard with light emitting function and touch function Chin-Lung Chan, Hsin-Hung Liu 2022-05-17
11289288 Waterproof film and keyboard thereof Zheng-Hong Lai, Chin-Lung Chan, Che-Wei Lee, Chang-En Sun 2022-03-29
10978261 Method for fabricating keyboard covering film Zheng-Hong Lai, Che-Wei Lee, Jin-Long Chan, Yuan-Bao Chen, Chang-En Sun 2021-04-13
10770246 Keyboard covering film, waterproof keyboard, method for fabricating keyboard covering film, waterproof keycap assembly, and illuminating keyboard Zheng-Hong Lai, Che-Wei Lee, Jin-Long Chan, Yuan-Bao Chen, Chang-En Sun 2020-09-08
9875866 Haptic keyswitch structure and input device Rui Liao 2018-01-23
7976741 Method of manufacturing light guide plate of keypad Jian-Li Chang 2011-07-12
7914690 Method for manufacturing metallic panel having ripple luster Che-Tung Wu, Kai-Jie Taso 2011-03-29
7866032 Method of manufacturing metal keypad panel with micropore array Che-Tung Wu 2011-01-11
7834285 Keypad assembly 2010-11-16
7777144 Metal keypad panel structure with micropore array Che-Tung Wu 2010-08-17
7759588 Thin keypad assembly 2010-07-20
7735214 Method for manufacturing metallic keypad panel having ripple luster Che-Tung Wu, Kai-Jie Tsao 2010-06-15
7662327 Manufacturing method of thin keypad assembly 2010-02-16
7626133 Metallic panel assembly having ripple luster Che-Tung Wu, Kai-Jie Tsao 2009-12-01
7523544 Method for manufacturing keypad 2009-04-28
7449642 Metallic keypad panel assembly having ripple luster Che-Tung Wu, Kai-Jie Tsao 2008-11-11