Growing community of inventors

San Jose, CA, United States of America

Todd Krein

Average Co-Inventor Count = 3.58

ph-index = 8

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 = 389

Todd KreinSteve Young (8 patents)Todd KreinMichael Ming Lee (5 patents)Todd KreinGeoff M Smith (5 patents)Todd KreinToby Farrand (4 patents)Todd KreinSteven Jay Young (3 patents)Todd KreinMichael George Sleator (3 patents)Todd KreinRobert Spies (3 patents)Todd KreinStephen G Perlman (2 patents)Todd KreinJeff Peck (1 patent)Todd KreinTodd Krein (12 patents)Steve YoungSteve Young (8 patents)Michael Ming LeeMichael Ming Lee (11 patents)Geoff M SmithGeoff M Smith (8 patents)Toby FarrandToby Farrand (9 patents)Steven Jay YoungSteven Jay Young (65 patents)Michael George SleatorMichael George Sleator (33 patents)Robert SpiesRobert Spies (3 patents)Stephen G PerlmanStephen G Perlman (295 patents)Jeff PeckJeff Peck (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Digeo, Inc. (6 from 128 patents)

2. Vulcan Research LLC (3 from 3 patents)

3. Arris Enterprises LLC (2 from 1,847 patents)

4. Vulcan Patents LLC (2 from 41 patents)

5. Vulcan Ventures, Inc. (2 from 8 patents)

6. Other (1 from 832,718 patents)

7. Ooma, Inc. (1 from 47 patents)


12 patents:

1. 9065965 - Apparatus and method for distributing audio and video content using existing network wiring

2. 8634409 - System and method for coordinating between multiple telephony channels

3. 8515021 - System and method for providing personalized reverse 911 service

4. 7688803 - System and method for coordinating between multiple telephony channels

5. 7672438 - Providing multiple line functionality using alternative network telephony

6. 7533403 - Apparatus and method for distributing audio and video content using existing network wiring

7. 7310355 - Apparatus and method for powering a network device

8. 7263362 - System and method for deploying multi-function access points in a data network

9. 7206399 - Failsafe configuration for alternative network telephony

10. 6980638 - Failsafe configuration for alternative network telephony

11. 6975713 - Providing multiple line functionality using alternative network telephony

12. 6975717 - Selective processing of calls using alternative network telephony

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as of
12/15/2025
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