Inventor · Taipei, TW

Yen-Chang Chen

27Patents
5h-index
52Co-inventors
72Inventor score

Filing activity: Nov 17, 2000 → Dec 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6521487B1 Method for making a thyristor Electricity 23 Expired
US6436751B1 Fabrication method and structure of a flash memory Electricity 15 Expired
US7234846B2 Structure of embedded lamp having replaceable light bulb Mechanical Engineering; Lighting; Heating 12 Expired
US7311422B1 Recessed lamp structure Mechanical Engineering; Lighting; Heating 10 Active
USD455342S1 Perfume bottle General 8 Expired
US7600899B2 Recessed lamp structure Mechanical Engineering; Lighting; Heating 4 Active
USD544625S1 Recessed adjustable light fixture General 4 Expired
US9983346B2 Backlight module and light guide plate thereof Physics 4 Active
USD544624S1 Recessed adjustable light fixture General 3 Expired
US9230754B2 Pointing stick cursor key and illuminated keyboard therewith Electricity 2 Active
US8950881B2 Backlight module and keyboard Electricity 1 Active
US7097331B2 Safety switch control structure Mechanical Engineering; Lighting; Heating 1 Expired
US8032466B2 System, method, and computer readable medium for micropayment with varying denomination Electricity 1 Active
US9182533B2 Light guide plate structure and light-guide-plate manufacturing method thereof Electricity 0 Active
US11740504B1 Curved panel and manufacturing method thereof Physics 0 Active
US11652124B2 Isolation structure having an air gap to reduce pixel crosstalk Electricity 0 Active
US9477300B2 Bridging device and power saving method thereof Emerging Cross-Sectional Technologies 0 Active
US11749760B2 Composite etch stop layers for sensor devices Electricity 0 Active
US12154729B2 Lighting keyboard and backlight module for the same Electricity 0 Active
US8467609B2 Document management device and document management method with identification, classification, search, and save functions Physics 0 Active
US12426302B2 Semiconductor devices and methods of manufacturing semiconductor device Electricity 0 Active
US12087522B2 Backlight module and keyboard thereof Electricity 0 Active
US12433059B2 Composite etch stop layers for sensor devices Electricity 0 Active
US8879293B2 Cooling system of server with AC and DC power sources and method of operating the same Electricity 0 Active
US11175059B2 Air conditioning system and method of operating the same Emerging Cross-Sectional Technologies 0 Active

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