Jos Den Hartog

This inventor holds 54 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 27 EPO patents, primarily in VoIP Communications. Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 2000-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jos Den Hartog. Retrieved from https://idiyas.com/inventor/jos-den-hartog

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

USPTO Granted Patents = 54 (Patent Applications = 1)

% Patents Active = 53.7

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 27 (Patent Applications = 21)

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 134(Granted Patents)

Forward Citations (Not Self Cited) = 113(Dec 10, 2025)

Location History:

SE Capelle a/d ljssel, NL (2014 - 2015)
Capelle a/d ljssel, NL (2015)
Capelle aan den IJssel, NL (2017)
Capelle a/d Ijsel, NL (2017)
SE Capelle a/d Ijssel, NL (2011 - 2018)
Capelle a/d Ijssel, NL (2000 - 2021)
Ijssel, NL (2023)

Company Filing History:

54 out of 26,974

Telefonaktiebolaget Lm Ericsson (Publ)

patents

Years Active: 2000-2023

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Areas of Expertise:

Chat Services

VoIP Technology

Telecommunication Networks

User Equipment

Message Transfer

Database Location

Session Initiation Protocol

Hybrid Networks

Signalling Messages

Media Handling

Packet Switched Network

Enhanced Communication

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11570656 - Method of and a network server and mobile user equipment for providing chat/VoIP services in a mobile telecommunications network (2023-01-31),

2. 10939319 - Method of and a network server and mobile user equipment for providing chat/VoIP services in a mobile telecommunications network (2021-03-02),

3. 10693779 - Method and system for transferring a message (2020-06-23),

4. 10631193 - Method of and a network server and mobile user equipment for providing chat/VoIP services in a mobile telecommunications network (2020-04-21),

5. 10491640 - Method and media handling unit for use in a VoIP based communications network (2019-11-26),

6. 10405224 - Method of and a network server and mobile user equipment for providing chat/VoIP services in a mobile telecommunications network (2019-09-03),

7. 10185774 - Method and system for efficiently locating in a database a user profile in an IMS network (2019-01-22),

8. 10182008 - Method and system for transferring a message (2019-01-15),

9. 10069874 - Method of and mobile user equipment for handling media types of a communication session in an IMS communication system and an IMS node (2018-09-04),

10. 9930710 - Modem-router unit, access node, and method of enabling communication with a packet switched network (2018-03-27),

11. 9930564 - Method of and a network server and mobile user equipment for providing chat/VolP services in a mobile telecommunications network (2018-03-27),

12. 9930124 - Exchange of signalling messages in an internet protocol communications network between entities applying object oriented processing of signalling messages (2018-03-27),

13. 9825780 - Method and system for providing information of related communication sessions in hybrid telecommunication networks (2017-11-21),

14. 9756188 - Method and telecommunication system for initiating an enhanced communication connection (2017-09-05),

15. 9736192 - Method and system for transfer of call control (2017-08-15),

Title: Innovations of Jos den Hartog in Mobile Telecommunications

Introduction

Jos den Hartog, based in Capelle a/d Ijssel, Netherlands, is a prolific inventor with a remarkable portfolio of 44 patents. His work primarily focuses on enhancing mobile telecommunications, particularly through innovative chat and Voice over Internet Protocol (VoIP) technologies.

Latest Patents

Among his latest contributions to the field, den Hartog has developed a patent that describes a method of and a network server alongside mobile user equipment for providing chat and VoIP services in mobile telecommunications networks. The design features a chat/VoIP client that enables access to a service application integrated with the mobile telecommunications network. Furthermore, this application interfaces with various proprietary chat/VoIP clients, allowing users to connect with multiple communication environments hosted by different service providers. Notably, this invention ensures privileged use of the network, enhancing the Quality of Service for user sessions.

Career Highlights

Den Hartog's career is marked by significant advancements in enabling improved communication solutions via mobile networks. His role at Telefonaktiebolaget LM Ericsson (publ) has positioned him at the forefront of telecommunications innovation. Through his 44 patents, he has demonstrated a strong commitment to pushing the boundaries of technology, particularly in making mobile communication more effective and reliable.

Collaborations

In his journey as an innovator, Jos den Hartog has collaborated with notable professionals, including Rogier August Caspar Joseph Noldus and Rakesh Taori. These collaborations have leveraged diverse expertise, fostering a productive environment for innovation within the telecommunications sector.

Conclusion

Jos den Hartog stands out as a key figure in the field of mobile telecommunications. His extensive patent portfolio and continuous pursuit of innovation make him a valuable asset in developing advanced communication technologies. As the industry evolves, den Hartog's contributions pave the way for improved connectivity and user experience in mobile telecommunications.

Profile summary based on public USPTO records.