Growing community of inventors

Santa Barbara, CA, United States of America

John R Day

Average Co-Inventor Count = 4.68

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 = 90

John R DayDavid S Trandal (8 patents)John R DayRobert F Smith (7 patents)John R DayRobert J Duva (7 patents)John R DayDavid Frank Hofstatter (3 patents)John R DayDavid Giannini (3 patents)John R DayAdrian Van Haaften (3 patents)John R DayEric Johnson (3 patents)John R DayLeland W Kirchhoff (1 patent)John R DayJohn R Day (8 patents)David S TrandalDavid S Trandal (135 patents)Robert F SmithRobert F Smith (38 patents)Robert J DuvaRobert J Duva (15 patents)David Frank HofstatterDavid Frank Hofstatter (40 patents)David GianniniDavid Giannini (16 patents)Adrian Van HaaftenAdrian Van Haaften (3 patents)Eric JohnsonEric Johnson (3 patents)Leland W KirchhoffLeland W Kirchhoff (59 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Callwave Communications, LLC (6 from 80 patents)

2. Callwave, Inc. (2 from 37 patents)


8 patents:

1. 9154624 - Call processing and subscriber registration systems and methods

2. 8750469 - Methods and systems for call processing

3. 8718243 - Call processing and subscriber registration systems and methods

4. 8494504 - Methods and systems for telephony processing, including location based call transfers

5. 8472592 - Methods and systems for call processing

6. 8259911 - Call processing and subscriber registration systems and methods

7. 8000455 - Methods and systems for call processing

8. 7409048 - Call processing and subscriber registration systems and methods

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idiyas.com
as of
12/13/2025
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