Growing community of inventors

Waterloo, Canada

Douglas Fregin

Average Co-Inventor Count = 2.35

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 = 226

Douglas FreginChao Chen (4 patents)Douglas FreginJana Regenwetter (3 patents)Douglas FreginTim O Cheung (3 patents)Douglas FreginKevin Howard Orr (2 patents)Douglas FreginJana Lynn Papke (1 patent)Douglas FreginDouglas Fregin (9 patents)Chao ChenChao Chen (97 patents)Jana RegenwetterJana Regenwetter (6 patents)Tim O CheungTim O Cheung (6 patents)Kevin Howard OrrKevin Howard Orr (43 patents)Jana Lynn PapkeJana Lynn Papke (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Research in Motion Corporation (8 from 4,495 patents)

2. Blackberry Corporation (1 from 5,890 patents)


9 patents:

1. 8644033 - Handheld electronic device including multi-compartment shielding container and associated methods

2. 8027172 - Handheld electronic device including multi-compartment shielding container and associated methods

3. 7830673 - Handheld electronic device including multi-compartment shielding container and associated methods

4. 7804488 - Method of employing a switch assembly to provide input, and handheld electronic device

5. 7772507 - Switch assembly and associated handheld electronic device

6. 7508684 - Handheld electronic device including multi-compartment shielding container and associated methods

7. 7508644 - Spark gap apparatus and method for electrostatic discharge protection

8. 7369388 - Spark gap apparatus and method for electrostatic discharge protection

9. 7161784 - Spark gap apparatus and method for electrostatic discharge protection

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idiyas.com
as of
12/8/2025
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