Inventor · Taichung, TW

Chia-Hung Liu

71Patents
6h-index
65Co-inventors
75Inventor score

Filing activity: Apr 28, 2000 → Jun 4, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD692432S1 Casing with foldable keyboard General 38 Active
US7540675B2 Foldable keyboard Electricity 21 Active
US10431402B2 Button switch with adjustable tactile feedback Electricity 14 Active
US8217289B2 Keyboard and key structure thereof Physics 11 Active
US8347644B2 Air conditioning system Mechanical Engineering; Lighting; Heating 8 Active
US11108393B2 Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap Electricity 7 Active
US8882055B2 Collapsible cable management arm Electricity 6 Active
US8976520B2 Removable hard disk drive holder Physics 6 Active
US10637470B2 Optical keyswitch Physics 6 Active
US10310609B2 Keyswitch with adjustable tactile feedback Electricity 5 Active
US9941070B2 Keyswitch structure mounted within a circuit board and baseplate Electricity 5 Active
US11223357B2 Keyswitch Electricity 5 Active
US7153050B2 Collapsible keyboard Electricity 4 Expired
US10629972B2 Radio-frequency switching circuit Electricity 4 Active
US10079601B2 Keyswitch with adjustable tactile feedback and switch thereof Electricity 4 Active
US10074615B1 Package structure and method of fabricating the same Electricity 4 Active
US10510631B2 Fan out package structure and method of manufacturing the same Electricity 4 Active
US6927760B2 Wireless keyboard with improving radiation transmission Physics 3 Expired
US11004786B2 Package structure and method of forming the same Electricity 3 Active
US10128063B2 Keyswitch Electricity 3 Active
US11018667B2 Optical keyswitch Electricity 2 Active
US10930451B2 Keyswitch with adjustable tactile feedback Electricity 2 Active
US10211006B2 Illuminated keyswitch Electricity 2 Active
US10572018B2 Keyswitch with adjustable tactile feedback Electricity 2 Active
US11469474B2 Battery assembly Emerging Cross-Sectional Technologies 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.