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Berlin, Germany

Heinrich Hertz Institut Fuer Nachrichtentechnik Berlin Gmbh.

USPTO Granted Patents = 10

Forward Citations = 155

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22 inventors (with patents filed for the assignee):

Martin Moehrle (2 out of 5 patents)

Helmut Heidrich (2 out of 15 patents)

Georges Przyrembel (2 out of 3 patents)

4. Bernd Sartorius (2 out of 17 patents)

5. Norbert Grote (1 out of 2 patents)

6. Udo Krueger (1 out of 4 patents)

7. Ronald Kaiser (1 out of 3 patents)

8. Clemens Von Helmolt (1 out of 7 patents)

9. Norbert Keil (1 out of 8 patents)

10. Jin Liu (1 out of 4 patents)

11. Huihai Yao (1 out of 4 patents)

12. Crispin Zawadzki (1 out of 6 patents)

13. Berndt Kuhlow (1 out of 2 patents)

14. Huithai Yao (1 out of 1 patent)

15. Carl Michael Weinert (1 out of 4 patents)

10 patents: Sort by Forward Citations

1. 6810182 - Optical tunable grid-assisted add/drop filter in codirectional mode of operation (2004-10-26),

2. 6553281 - Device for determining a fixation point (2003-04-22),

3. 6347166 - Device for superposing optical signals with different wavelengths (2002-02-12),

4. 6240233 - Integrated optical beam spread transformer (2001-05-29),

5. 6215918 - Thermo-optical switch (2001-04-10),

6. 6215805 - Q-switched semiconductor laser (2001-04-10),

7. 6122306 - Self-pulsing multi-section laser (2000-09-19),

8. 6061481 - Optoelectronic circuit (2000-05-09),

9. 6008931 - Optical frequency generator (1999-12-28),

10. 5940207 - Wavelength converter (1999-08-17),

Heinrich Hertz Institut Fuer Nachrichtentechnik Berlin GmbH is a leading research institute in the field of communication technology. They specialize in developing cutting-edge technologies for telecommunications, networking, and media systems. With a team of experts and state-of-the-art facilities, HHI is dedicated to driving innovation and advancing the field of communication technology.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

10 Patents

#100 in D-1000 Berlin

#3,723 in Germany

#54,303 in the World

Berlin, Germany

Heinrich Hertz Institut Fuer Nachrichtentechnik Berlin Gmbh.

Forward Citations = 155

22 inventors:

Martin Moehrle (2 out of 5 patents)

Helmut Heidrich (2 out of 15 patents)

Georges Przyrembel (2 out of 3 patents)

4. Bernd Sartorius (2 out of 17 patents)

5. Norbert Grote (1 out of 2 patents)

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