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For the Inventor, By the Inventor

Munich, Germany

Instrument Systems Gmbh


USPTO Granted Patents = 10

% Expired Patents = 10.0



Trademarks = 1

Forward Citations = 301

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17 inventors (with patents filed for the assignee):

goldMedal Harry Weitz (3 out of 3 patents)

silverMedal Robert F Saiya (3 out of 4 patents)

bronzeMedal Edwin Joscelyn (2 out of 3 patents)

4.  Florian Schewe (1 out of 3 patents)

5.  W Timothy Stevenson (1 out of 1 patent)

6.  Peter Kohns (1 out of 1 patent)

7.  Martin Mangstl (1 out of 2 patents)

8.  Siegbert Sadowski (1 out of 2 patents)

9.  Gerald J Gottlieb (1 out of 1 patent)

10.  Samuel J Kravis (1 out of 1 patent)

11.  Diego M Cacciatore (1 out of 1 patent)

12.  Christian Rixner (1 out of 1 patent)

13.  Angel Gavrailov (1 out of 1 patent)

14.  Christian Dotzler (1 out of 1 patent)

15.  Reto Häring (1 out of 1 patent)


10 patents:

1. 12339162 - Device and method for measuring semiconductor-based light sources (2025-06-24),
2. 7352281 - Automotive gauge system using a power line carrier (2008-04-01),
3. 6947635 - Device and method for transmitting light over an optical fiber (2005-09-20),
4. 4306121 - Electro-acoustic transducer assembly (1981-12-15),
5. D261387 - Control panel for aircraft or the like (1981-10-20),
6. D253768 - Control panel (1979-12-25),
7. 4177498 - Control panel for vehicle entertainment service systems (1979-12-04),
8. 4149610 - Acoustic headsets (1979-04-17),
9. 4072831 - Voice transmitting apparatus for a breathing mask (1978-02-07),
10. D246782 - Stethoscope headset (1977-12-27),
Instrument Systems GmbH is a leading manufacturer of high-precision spectroradiometers and photometers for measuring light and displays. They provide innovative solutions for a wide range of industries including automotive, aerospace, and lighting technology.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

10 Patents

#200 in W-8000 Munich

#3,742 in Germany

#55,915 in the World

Munich, DE
Munich, Germany

Instrument Systems Gmbh

Forward Citations = 301

17 inventors:

goldMedal Harry Weitz (3 out of 3 patents)

silverMedal Robert F Saiya (3 out of 4 patents)

bronzeMedal Edwin Joscelyn (2 out of 3 patents)

4.  Florian Schewe (1 out of 3 patents)

5.  W Timothy Stevenson (1 out of 1 patent)

Please report any incorrect information to [email protected]
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