Company Filing History:

18 out of 4,208

At+t Corp.

patents

4 out of 16,478

At&t Intellectual Property I, L.p.

patents

Years Active: 2000-2012

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8139478 - Recovery method for an optical network (2012-03-20),

2. 7920484 - Control of optical connections in an optical network (2011-04-05),

3. 7796580 - Method and apparatus for routing information over optical and electrical pathways (2010-09-14),

4. 7742395 - Control of optical connections in an optical network (2010-06-22),

5. 7467225 - System, method and apparatus for network service load and reliability management (2008-12-16),

6. 7039009 - Control of optical connections in an optical network (2006-05-02),

7. 7031299 - Control of optical connections in an optical network (2006-04-18),

8. 6970451 - Smart routers-simple optics: network architecture for IP over WDM (2005-11-29),

9. 6785260 - Method and apparatus for routing of best-effort and quality of service flows (2004-08-31),

10. 6760775 - System, method and apparatus for network service load and reliability management (2004-07-06),

11. 6556577 - Architecture for lightweight signaling in ATM networks (2003-04-29),

12. 6466985 - Method and apparatus for providing quality of service using the internet protocol (2002-10-15),

13. 6442546 - Messaging system with application-defined states (2002-08-27),

14. 6438608 - Declarative message addressing (2002-08-20),

15. 6400816 - Network-independent communications system (2002-06-04),

Title: **Gisli Hjalmtysson: An Innovator in Optical Network Technologies**

Introduction

Gisli Hjalmtysson, a prolific inventor based in Gillette, New Jersey, holds an impressive portfolio of 22 patents. His contributions to the field of optical networks have established him as a notable figure within the telecommunications industry.

Latest Patents

His most recent patents include a recovery method for an optical network, which offers a system and method of routing communication signals. This innovative approach utilizes a combination of packet-switched and circuit-switched devices to manage communication paths effectively. The packet-switched device determines commands based on routing requests, facilitating the establishment, maintenance, restoration, or breakdown of communication paths. Additionally, the system expedites error condition information, allowing rapid restoration of communications with minimal delay. Another significant patent by Hjalmtysson is focused on the control of optical connections in a reconfigurable optical network. This patent outlines a method for lightpath provisioning, detailing steps for identifying network addressable elements, assessing current resources and topology, and subsequently establishing and removing lightpaths as needed.

Career Highlights

Throughout his career, Gisli has worked at notable companies, including AT&T Corporation and AT&T Intellectual Property II, L.P. His role in these organizations has allowed him to contribute significantly to advancements in optical network technologies.

Collaborations

Gisli has had the privilege of collaborating with talented coworkers, such as Jennifer Yates and Alexandros Biliris. Their combined expertise has undoubtedly fostered innovative solutions in the telecommunications sector.

Conclusion

In conclusion, Gisli Hjalmtysson's achievements in the realm of telecommunications and optical networks render him a distinguished inventor. With 22 patents to his name, his contributions continue to shape the future of communication technologies.

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