For the Inventor, By the Inventor

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San Diego, CA, United States of America

Greatcall, Inc.

USPTO Granted Patents = 36

Trademarks = 6

Forward Citations = 232

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21 inventors (with patents filed for the assignee):

Kotaro Matsuo (19 out of 35 patents)

Dean Williams (15 out of 15 patents)

Krijn Van Der Raadt (7 out of 7 patents)

4. Scott Brenton (7 out of 7 patents)

5. Jonathan J Sieg (6 out of 6 patents)

6. Joel Stair (5 out of 5 patents)

7. Pat Merritt (5 out of 5 patents)

8. John Salisbury (5 out of 7 patents)

9. Aaron Amerling (5 out of 5 patents)

10. Chris Gutierrez (5 out of 5 patents)

11. Philip C Imming (4 out of 4 patents)

12. John H Chin (3 out of 3 patents)

13. John Arrizza (2 out of 26 patents)

14. Gavin Sermona (2 out of 2 patents)

15. Miguel Gonzalez (2 out of 2 patents)

Core Competencies:

Emergency Communications

Mobile Notification

Call Redirection

User Interface

Activity Monitoring

Device Movement Detection

Power Management

Intelligent Call Forwarding

Caller Location Identification

Resource Capacity Sharing

Wireless Network Management

Emergency Call Systems

36 patents: Sort by Forward Citations

1. 10512119 - Shared resource capacity among devices (2019-12-17),

2. 10475331 - Monitoring activity of an individual (2019-11-12),

3. 10254384 - Electronic device movement detection (2019-04-09),

4. 10230843 - User interface extension for simplified communications device (2019-03-12),

5. 9992333 - Emergency mobile notification handling (2018-06-05),

6. 9961708 - Wireless network connection management (2018-05-01),

7. 9794875 - Power management for emergency communications device (2017-10-17),

8. 9794409 - Adaptive system with call center and trusted network (2017-10-17),

9. 9729711 - Unintentional call detection and response (2017-08-08),

10. 9659261 - User interface for portable device (2017-05-23),

11. 9538006 - Emergency mobile notification handling (2017-01-03),

12. 9467833 - Emergency call return systems and methods (2016-10-11),

13. 9445250 - Emergency call placement systems and methods (2016-09-13),

14. 9439054 - Emergency call redirection systems and methods (2016-09-06),

15. D764518 - Display screen or portion thereof with graphical user interface (2016-08-23),

Company Overview

Greatcall, Inc., based in San Diego, CA, specializes in health and wellness technology, particularly for seniors. The company develops innovative mobile devices and services designed to enhance the safety and well-being of older adults. Their offerings include medical alert systems, health monitoring applications, and telehealth solutions, all aimed at promoting independence while ensuring access to emergency support and healthcare resources. Greatcall's focus on user-friendly technology positions it as a leader in the senior health tech market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

36 Patents

#174 in San Diego, CA

#2,249 in California

#9,516 in US

#18,745 in the World

San Diego, CA, United States of America

Greatcall, Inc.

Forward Citations = 232

21 inventors:

Kotaro Matsuo (19 out of 35 patents)

Dean Williams (15 out of 15 patents)

Krijn Van Der Raadt (7 out of 7 patents)

4. Scott Brenton (7 out of 7 patents)

5. Jonathan J Sieg (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Greatcall, Inc.. Retrieved from https://idiyas.com/company/greatcall

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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