Growing community of inventors

Solon, OH, United States of America

Barry J Markwitz

Average Co-Inventor Count = 3.55

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 130

Barry J MarkwitzDean M Chriss (4 patents)Barry J MarkwitzJay Cross (2 patents)Barry J MarkwitzPaolo Argentieri (2 patents)Barry J MarkwitzMichael O'Flaherty (2 patents)Barry J MarkwitzJohn E Hansley, Ii (2 patents)Barry J MarkwitzJim Nicholson (2 patents)Barry J MarkwitzJohn W Hoffman (2 patents)Barry J MarkwitzTom Morman (2 patents)Barry J MarkwitzJason D Doyle (2 patents)Barry J MarkwitzMike O'Flaherty (2 patents)Barry J MarkwitzScott Boswell (2 patents)Barry J MarkwitzRoger W Stahl (2 patents)Barry J MarkwitzTom Dutton (2 patents)Barry J MarkwitzMichael Gribov (2 patents)Barry J MarkwitzNicholas F Papatonis (1 patent)Barry J MarkwitzBrent G Bowers (1 patent)Barry J MarkwitzMary T Upham (1 patent)Barry J MarkwitzBarry J Markwitz (7 patents)Dean M ChrissDean M Chriss (5 patents)Jay CrossJay Cross (4 patents)Paolo ArgentieriPaolo Argentieri (4 patents)Michael O'FlahertyMichael O'Flaherty (3 patents)John E Hansley, IiJohn E Hansley, Ii (2 patents)Jim NicholsonJim Nicholson (2 patents)John W HoffmanJohn W Hoffman (2 patents)Tom MormanTom Morman (2 patents)Jason D DoyleJason D Doyle (2 patents)Mike O'FlahertyMike O'Flaherty (2 patents)Scott BoswellScott Boswell (2 patents)Roger W StahlRoger W Stahl (2 patents)Tom DuttonTom Dutton (2 patents)Michael GribovMichael Gribov (2 patents)Nicholas F PapatonisNicholas F Papatonis (1 patent)Brent G BowersBrent G Bowers (1 patent)Mary T UphamMary T Upham (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Timekeeping Systems, Inc. (7 from 14 patents)


7 patents:

1. 11105909 - Tracking system for persons and/or objects

2. 9633541 - Display system for tracking large numbers of persons and/or objects

3. 7778802 - Wireless devices as guard tour checkpoint data collection and checkpoint data communication devices

4. 7363196 - Guard tour system

5. 7345577 - Displays for reporting guard tour data

6. 7027955 - Guard tour system incorporating a positioning system

7. 6834259 - Guard tour system

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as of
12/6/2025
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