Dirk Trossen

This inventor holds 32 USPTO granted patents and 1 published patent application, plus 3 CIPO patents and 10 EPO patents, primarily in Mobile Network Services. Top assignees: Nokia Corporation, Core Wireless Licensing S.a.r.l., Nokia Siemens Networks Oy. Active years: 2003-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dirk Trossen. Retrieved from https://idiyas.com/inventor/dirk-trossen

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

USPTO Granted Patents = 32 (Patent Applications = 1)

% Patents Active = 68.8

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 10 (Patent Applications = 2)

Average Co-Inventor Count = 1.7

ph-index = 14

Forward Citations = 757(Granted Patents)

Location History:

Arlington, MA (US) (2003 - 2014)
Cambridge, MA (US) (2005 - 2016)

Company Filing History:

Core Wireless Licensing S.a.r.l.

patents

2 out of 489

Nokia Siemens Networks Oy

patents

4. 1 out of 225

Intellectual Ventures I LLC

patents

5. 1 out of 6,530

Nokia Technologies Oy

patents

6. 1 out of 55

Spyder Navigations LLC

patents

Years Active: 2003-2016

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Areas of Expertise:

Access Control

Media Content Delivery

Seamless Handover

Mobile Networks

Multicast Rate Control

IP Session Relocation

Application Context

Event Servers

Service Provisioning

WLAN to Cellular Handoff

Dynamic User State Processing

Location Dependent Services

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9497279 - Access right control using access control alerts (2016-11-15),

2. 9419926 - System, method and computer program product for the delivery of media content (2016-08-16),

3. 8903820 - Method, system and computer program to enable querying of resources in a certain context by definition of SIP even package (2014-12-02),

4. 8856240 - Method, system and computer program to provide support for sporadic resource availability in SIP event environments (2014-10-07),

5. 8804712 - Determining target access routers for handover (2014-08-12),

6. 8645470 - System, method and computer program product for the delivery of media content (2014-02-04),

7. 8320239 - Receiver-driven layered multicast rate control protocol (2012-11-27),

8. 8305992 - Proactive seamless service provisioning in mobile networks through transferring of application context (2012-11-06),

9. 8068833 - Candidate access router discovery (2011-11-29),

10. 8046476 - Access right control using access control alerts (2011-10-25),

11. 7908378 - Provisioning seamless applications in mobile terminals through registering and transferring of application context (2011-03-15),

12. 7751818 - Smart inter-technology handover control (2010-07-06),

13. 7634564 - Systems and methods for invoking a service from a plurality of event servers in a network (2009-12-15),

14. 7532596 - Optimized information transfer associated with relocation of an IP session in a mobile communications system (2009-05-12),

15. 7525940 - Relocation of content sources during IP-level handoffs (2009-04-28),

Title: The Innovative Mind of Dirk Trossen

Introduction: Dirk Trossen, based in Cambridge, MA, is a prolific inventor with an impressive portfolio comprising 32 patents. His work largely revolves around advancements in access control systems and media content delivery, showcasing his dedication to innovation in the technological landscape.

Latest Patents: Among Trossen's latest patents are two notable inventions. The first is titled "Access right control using access control alerts," which provides systems and methods for event subscription and notification within a Session Initiation Protocol (SIP) infrastructure. This invention includes mechanisms for subscribing to notifications related to access control and utilizes event access change alerts to enhance efficiency in access controlled event subscriptions.

The second patent, "System, method, and computer program product for the delivery of media content," outlines a comprehensive approach to delivering multimedia messages to recipients based on specified rules. This system allows a sending entity to define delivery and recipient rules, while the network entity processes and delivers the content, ensuring optimal handling through potential transcoding or truncation before reaching its destination.

Career Highlights: Trossen has held significant positions at leading technology companies, including Nokia Corporation and Nokia Siemens Networks. His career trajectory reflects a steadfast commitment to pushing the boundaries of technology and enhancing user experience through his inventions.

Collaborations: Throughout his career, Trossen has collaborated with notable professionals such as Hemant M. Chaskar and Govind Krishnamurthi. These partnerships have likely contributed to the innovative ideas that Trossen continues to develop and patent.

Conclusion: Dirk Trossen stands out in the field of technology innovation through his extensive patent portfolio and contributions to access control and multimedia delivery solutions. His work not only highlights his inventive prowess but also underscores the importance of collaboration in driving technological advancements. As he continues to innovate, Trossen will undoubtedly remain a key figure to watch in the industry.

Profile summary based on public USPTO records.