Inventor · New Taipei, TW

Ya-Chi Chen

37Patents
7h-index
37Co-inventors
69Inventor score

Filing activity: Sep 8, 2003 → Aug 21, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7642137B2 Manufacturing method of chip package Electricity 49 Active
US8319156B2 System for heating a vapor cell Electricity 42 Active
US7932531B2 Chip package Electricity 26 Active
US9889336B1 Chain wheel locking assembly of an exercise apparatus Human Necessities 21 Active
US9216314B2 Hanging stand for a barbell Human Necessities 12 Active
USD706060S1 Convertible seat General 9 Active
USD778533S1 Belt General 8 Active
US8742835B2 Switch circuit and charge pump using the same thereof Electricity 6 Active
US10758776B2 Column-type combination climbing exercise machine Mechanical Engineering; Lighting; Heating 5 Active
US10782300B2 GPC3-targeting drug which is administered to patient responsive to GPC3-targeting drug therapy Physics 4 Active
US10293241B2 Catcher's leg guard Human Necessities 3 Active
US12005294B2 Rope pull training device Human Necessities 2 Active
US10249711B2 FET with micro-scale device array Electricity 2 Active
US9137137B2 Method and network device for loop detection Electricity 2 Active
US9320325B2 Belt buckle Emerging Cross-Sectional Technologies 2 Active
US8809088B2 Structure of stacking chips and method for manufacturing the same Electricity 2 Active
USD868383S1 Chest protector General 2 Active
US7446400B2 Chip package structure and fabricating method thereof Electricity 1 Active
US9423298B2 High energy laser target board apparatus Physics 1 Active
USD1030926S1 Weight training handle General 1 Active
US10065061B2 Exercise bike with an adjustable internal gear device Human Necessities 1 Active
USD868384S1 Chest protector General 1 Active
US7223208B1 Exercise machine comprising two hand grips which are provided with a damping device Emerging Cross-Sectional Technologies 1 Expired
US10555269B2 Amplifier circuit having controllable output stage Electricity 0 Active
US12063989B2 Chest protector Human Necessities 0 Active

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