Growing community of inventors

Santa Barbara, CA, United States of America

David J Brahm

Average Co-Inventor Count = 2.65

ph-index = 22

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 = 1,891

David J BrahmDavid S Trandal (50 patents)David J BrahmDavid Frank Hofstatter (14 patents)David J BrahmRobert F Smith (14 patents)David J BrahmRobert A Dolan (11 patents)David J BrahmLeland W Kirchhoff (9 patents)David J BrahmColin Denison Kelley (8 patents)David J BrahmBob F Smith (3 patents)David J BrahmAndreas Wittenstein (2 patents)David J BrahmMark Robert Cromack (2 patents)David J BrahmDavid J Brahm (52 patents)David S TrandalDavid S Trandal (135 patents)David Frank HofstatterDavid Frank Hofstatter (40 patents)Robert F SmithRobert F Smith (38 patents)Robert A DolanRobert A Dolan (19 patents)Leland W KirchhoffLeland W Kirchhoff (59 patents)Colin Denison KelleyColin Denison Kelley (54 patents)Bob F SmithBob F Smith (3 patents)Andreas WittensteinAndreas Wittenstein (17 patents)Mark Robert CromackMark Robert Cromack (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Callwave, Inc. (17 from 37 patents)

2. Other (15 from 832,718 patents)

3. Callwave Communications, LLC (15 from 80 patents)

4. J2 Global Communications, Inc. (3 from 40 patents)

5. Cogi, Inc. (2 from 4 patents)


52 patents:

1. 9917953 - Systems and methods for call processing

2. 9647978 - Methods and apparatus for providing expanded telecommunications service

3. 9319523 - Methods and apparatus for providing expanded telecommunications service

4. 9258412 - Enhanced service levels for call-processing services

5. 9215326 - Systems and methods for call processing

6. 9195973 - Methods and systems for processing telephonic communications and product data

7. 9171341 - Methods and systems for providing property data

8. 8964951 - Apparatus and methods for telecommunication authentication

9. 8929258 - Enhanced service levels for call-processing services

10. 8891753 - Methods and apparatus for providing expanded telecommunications service

11. 8744061 - Systems and methods for call screening

12. 8694501 - Methods and systems for inventory management

13. 8670536 - Enhanced service levels for call-processing services

14. 8583508 - Call routing apparatus

15. 8472604 - Systems and methods for call screening

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as of
12/12/2025
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