Inventor · Kitchener, ON, CA

Chao Chen

58Patents
11h-index
30Co-inventors
74Inventor score

Filing activity: Oct 19, 2001 → Jun 20, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US8253052B2 Keyboard dome stiffener assembly Emerging Cross-Sectional Technologies 105 Active
US6842169B2 Hand-held electronic device with multiple input mode thumbwheel Electricity 59 Expired
US8431849B2 Backlighting apparatus for a keypad assembly Emerging Cross-Sectional Technologies 59 Active
US8263887B2 Backlit key assembly having a reduced thickness Electricity 57 Active
US6875049B2 Battery connector capable of connecting multiple power consuming circuit boards Electricity 27 Expired
US8508927B2 Gasket and display assembly for an electronic mobile device Emerging Cross-Sectional Technologies 22 Active
US8289689B2 Handheld computing device having drop-resistant LCD display Emerging Cross-Sectional Technologies 21 Active
US7239503B2 Foam support for mobile electronic device display Electricity 19 Expired
US8253698B2 Tactile touch screen for electronic device Physics 18 Active
US8050019B2 Keypad with water and dust protection Emerging Cross-Sectional Technologies 16 Active
US7489301B2 Split Keyboard Physics 15 Expired
US7697275B2 Shock resistant mounting for small display screen Physics 11 Active
US8089017B2 Sealed dome switch for mobile electronic device Physics 10 Active
US7495660B2 Hand-held electronic device with multiple input mode thumbwheel Electricity 9 Active
US8258418B2 Keyboard dome overlay structure Emerging Cross-Sectional Technologies 9 Active
US8295527B2 Microphone boot for a portable electronic device Electricity 9 Active
US7639241B2 Hand-held electronic device with multiple input mode thumbwheel Electricity 8 Active
US7671290B2 Illuminated key-pad assembly Electricity 8 Active
US7085139B2 Surface mountable clip suitable for use in a mobile communication device Electricity 8 Expired
US7918671B2 Mounting structure with springs biasing towards a latching edge Electricity 7 Expired
US7097511B1 Structure for SIM card assembly and disassembly Electricity 6 Expired
US7952571B2 Hand-held electronic device with multiple input mode thumbwheel Electricity 6 Active
US8144135B2 Hand-held electronic device with multiple input mode thumbwheel Electricity 6 Active
USD658654S1 Keyboard General 5 Expired
US7551430B2 Handheld computing device having drop-resistant LCD display Emerging Cross-Sectional Technologies 5 Active

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