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Boca Raton, FL, United States of America

John R Chamberlain

Average Co-Inventor Count = 1.78

ph-index = 4

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 = 108

John R ChamberlainGordon Klassen (2 patents)John R ChamberlainThang Tat Nguyen (1 patent)John R ChamberlainDennis L Hogan (1 patent)John R ChamberlainFranklin H Valade, Jr (1 patent)John R ChamberlainJohn R Chamberlain (4 patents)Gordon KlassenGordon Klassen (2 patents)Thang Tat NguyenThang Tat Nguyen (20 patents)Dennis L HoganDennis L Hogan (16 patents)Franklin H Valade, JrFranklin H Valade, Jr (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Esselte Meto International Gmbh (3 from 48 patents)

2. Sensormatic Electronics Corporation (1 from 873 patents)


4 patents:

1. 7023348 - Release techniques for a security tag

2. 5762377 - Method of authenticating an item and an apparatus for authenticating an

3. 5660663 - Marking tag

4. 5614278 - Strip of separable labels or tags having a display surface for display

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as of
12/16/2025
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