Inventor · San Francisco, CA, US

Qin Li

60Patents
21h-index
48Co-inventors
88Inventor score

Filing activity: May 24, 1988 → Apr 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD657166S1 Chair General 85 Expired
USD609900S1 Hard case carry accessory for a mobile phone device General 77 Expired
US8449037B2 Seating structure with a contoured flexible backrest Human Necessities 76 Active
US4926742A Spiral drum magazine with elongated magazine clip and single piece last round follower Mechanical Engineering; Lighting; Heating 66 Expired
USD610579S1 Fabric pouch carry accessory for a mobile phone device General 64 Expired
US8926016B2 Seating structure with a contoured flexible backrest Human Necessities 46 Active
USD652657S1 Chair General 40 Expired
USD639091S1 Backrest General 39 Expired
USD731781S1 Ear piece housing General 38 Active
USD653061S1 Chair General 37 Expired
USD637423S1 Chair General 37 Expired
USD744357S1 Activity tracking band General 36 Active
USD698564S1 Couch General 35 Active
USD744358S1 Activity tracking band General 32 Active
USD653149S1 Wearable device General 31 Expired
USD614179S1 Back plate with pouch for a mobile phone device General 30 Expired
US9301615B2 Seating structure with a contoured flexible backrest Human Necessities 29 Active
USD743712S1 Chair General 26 Active
USD650206S1 Chair General 25 Expired
USD652020S1 Speaker General 23 Expired
USD645024S1 Speaker General 21 Expired
USD632676S1 Headset General 21 Expired
USD812027S1 Television General 20 Active
USD726694S1 Ear bud General 18 Active
USD655689S1 Speaker General 17 Expired

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