Inventor · Philadelphia, PA, US

Stephen Christopher

67Patents
27h-index
70Co-inventors
87Inventor score

Filing activity: Dec 27, 2005 → May 25, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD575268S1 User interface General 202 Expired
USD606971S1 Audio device General 144 Expired
USD601126S1 Audio headset General 128 Expired
USD582897S1 User interface General 103 Expired
USD701504S1 Electronic band General 86 Active
US9386932B2 Wearable personal information system Emerging Cross-Sectional Technologies 84 Active
USD606037S1 Communication device General 79 Expired
USD618683S1 Dual display device General 62 Expired
USD647918S1 Electronic housing General 59 Expired
USD620257S1 Headphone case General 55 Expired
USD620256S1 Headphone case General 48 Expired
USD810804S1 Camera General 47 Active
USD582397S1 User interface General 47 Expired
USD657788S1 Electronic housing General 45 Expired
USD555150S1 Housing for a headset General 44 Expired
USD552596S1 Communication device General 41 Expired
USD554626S1 Headset for a radio communication device General 40 Expired
USD712540S1 Ultrasound device General 37 Active
USD710014S1 Interactive medical device booklet General 37 Active
USD597534S1 Headset for a communications device General 35 Expired
USD664993S1 Electronic housing General 35 Active
USD665348S1 Electronic housing General 34 Active
USD830443S1 Camera General 30 Active
USD582384S1 Housing for a audio device General 30 Expired
USD619484S1 Motion sensor General 29 Expired

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