Growing community of inventors

Chicago, IL, United States of America

Charles G Call

Average Co-Inventor Count = 2.03

ph-index = 16

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 = 5,985

Charles G CallJames D Logan (17 patents)Charles G CallDaniel F Goessling (5 patents)Charles G CallMichael A Form (3 patents)Charles G CallDaniel Opalacz (3 patents)Charles G CallJeffrey D Logan (3 patents)Charles G CallDerek V Carroll (3 patents)Charles G CallMark J Palmer (2 patents)Charles G CallHeng Pan (2 patents)Charles G CallTeeporn Paul Tanpitukpongse (1 patent)Charles G CallT Paul Tanpitukpongse (1 patent)Charles G CallCharles G Call (22 patents)James D LoganJames D Logan (67 patents)Daniel F GoesslingDaniel F Goessling (12 patents)Michael A FormMichael A Form (5 patents)Daniel OpalaczDaniel Opalacz (4 patents)Jeffrey D LoganJeffrey D Logan (3 patents)Derek V CarrollDerek V Carroll (3 patents)Mark J PalmerMark J Palmer (11 patents)Heng PanHeng Pan (2 patents)Teeporn Paul TanpitukpongseTeeporn Paul Tanpitukpongse (1 patent)T Paul TanpitukpongseT Paul Tanpitukpongse (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (11 from 832,718 patents)

2. Microtouch Systems, Inc. (3 from 19 patents)

3. Truemail Technologies, LLC (2 from 2 patents)

4. Bringrr Systems, LLC (2 from 2 patents)

5. Ol Security Limited Liability Company (1 from 41 patents)

6. Personal Audio, LLC (1 from 2 patents)

7. James D. Logan and Kerry M. Logan Family Trust (1 from 1 patent)

8. Internet Angles, Inc. (1 from 1 patent)


22 patents:

1. 10243902 - Methods and apparatus for controlling the transmission and receipt of email messages

2. 9716972 - System, method and device to interrogate for the presence of objects

3. 9426530 - Methods and apparatus for creating, combining, distributing and reproducing program content for groups of participating users

4. 9363084 - Methods and apparatus for controlling the transmission and receipt of email message

5. 8570168 - System, method and device to interrogate for the presence of objects

6. 8560655 - Methods and apparatus for controlling the transmission and receipt of email messages

7. 8411829 - System, method and device for managing messages

8. 8112504 - System for disseminating media content representing episodes in a serialized sequence

9. 8051130 - Methods and apparatus for creating, combining, distributing and reproducing program content for groups of participating users

10. 7509178 - Audio program distribution and playback system

11. 7380126 - Methods and apparatus for controlling the transmission and receipt of email messages

12. 7178100 - Methods and apparatus for storing and manipulating variable length and fixed length data elements as a sequence of fixed length integers

13. 7117227 - Methods and apparatus for using the internet domain name system to disseminate product information

14. 6418441 - Methods and apparatus for disseminating product information via the internet using universal product codes

15. 6199076 - Audio program player including a dynamic program selection controller

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12/9/2025
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