Inventor · Taipei, TW

Yi-Chen Chen

74Patents
13h-index
86Co-inventors
87Inventor score

Filing activity: May 28, 1991 → Mar 4, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD468282S1 Mobile phone General 84 Expired
USD445284S Dispenser General 64 Expired
USD480372S1 DVD player General 64 Expired
USD665354S1 Electrical plug General 44 Active
USD494156S1 Access point router General 43 Expired
USD475984S1 DVD LCD monitor General 36 Expired
US6012613A Extruding mechanism for auto dispenser Human Necessities 30 Expired
US8136751B2 Single free-end wire reel Performing Operations; Transporting 23 Active
USD479711S1 Digital mobile phone General 19 Expired
USD488158S1 Universal serial bus General 16 Expired
US6293428A Dropping control mechanism for soap feeding device Human Necessities 13 Expired
USD496201S1 Soap dispenser General 13 Expired
USD430500S Door alarm General 13 Expired
US8387418B1 Yarn feeder for flat knitting machines Textiles; Paper 11 Active
US7632151B2 Card reader Physics 9 Active
US6774007B2 Method of fabricating shallow trench isolation Electricity 8 Expired
USD485773S1 Alarm General 8 Expired
US6551739B1 DC supplying arrangement for soap feeding device Emerging Cross-Sectional Technologies 7 Expired
US7051987B2 Liquid soap dispenser Human Necessities 7 Expired
USD1025152S1 Bead spinner General 6 Active
USD433003S Mobile phone General 6 Expired
US6830504B1 Barrier-slurry-free copper CMP process Electricity 6 Expired
USD516446S1 Alarm device General 5 Expired
USD555373S1 Baby swing General 4 Expired
USD557512S1 Swing chair General 4 Expired

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