Inventor · Santa Monica, CA, US

Mark A. Johnson

52Patents
19h-index
40Co-inventors
84Inventor score

Filing activity: Jun 2, 1992 → Nov 12, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6361508B1 Personal event monitor with linear omnidirectional response Human Necessities 126 Expired
US5610590A Motion sensor Physics 111 Expired
US5879309A Personal motion event monitor Physics 81 Expired
US5523742A Motion sensor Physics 71 Expired
US6785358B2 Voice activated diagnostic imaging control user interface Physics 40 Expired
US6785578B2 User input device for controlling medical imaging equipment motion Human Necessities 40 Expired
USD710760S1 Vehicle, toy, and/or replicas thereof General 39 Active
USD572805S1 Storage closure General 38 Expired
US5783353A Self-contained imaging assembly Emerging Cross-Sectional Technologies 35 Expired
USD723724S1 Headlight for a vehicle General 31 Active
USD694440S1 Taillight for a vehicle General 30 Active
USD504651S1 Front face of a vehicle wheel General 29 Expired
US8707475B2 Shower door storage assembly Human Necessities 29 Active
US7716863B1 Self powering prognostic gun tag Physics 29 Active
USD694682S1 Hood for a vehicle General 27 Active
USD707600S1 Front fender for a vehicle General 25 Active
US6470072B1 X-ray anti-scatter grid Physics 22 Expired
US5916727A Self-contained imaging assembly Emerging Cross-Sectional Technologies 21 Expired
US6137292A Self-adjusting battery diagnostic method for continuously providing best prediction of battery reserve time Physics 20 Expired
US7016469B2 Voice activated diagnostic imaging control system Physics 19 Expired
US6661240B1 Methods and systems for capacitive motion sensing and position control Human Necessities 17 Expired
USD692811S1 Front bumper for a vehicle General 13 Active
US6894509B2 Methods and systems for capacitive motion sensing and position control Human Necessities 12 Expired
USD694441S1 Taillight for a vehicle General 11 Active
USD715707S1 Rear bumper for a vehicle General 9 Active

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