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For the Inventor, By the Inventor

Kiel, Germany

Linotype-Hell Ag


USPTO Granted Patents = 69

Trademarks = 3

Forward Citations = 782

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64 inventors (with patents filed for the assignee):

goldMedal Thomas Zelenka (7 out of 7 patents)

silverMedal Gerald Johannes Sermund (4 out of 6 patents)

bronzeMedal Wilhelm Dichter (4 out of 4 patents)

4.  Rainer Schielke (4 out of 4 patents)

5.  Thomas J Harig (4 out of 4 patents)

6.  Ludo Kerz (4 out of 4 patents)

7.  Joern Kowalewski (4 out of 4 patents)

8.  Gunnar Behrens (3 out of 14 patents)

9.  Bernd Lassen (3 out of 17 patents)

10.  Ralf Balzeit (3 out of 6 patents)

11.  Hans Penza (3 out of 6 patents)

12.  Wolfgang Boppel (3 out of 7 patents)

13.  Michael Wilharm (3 out of 3 patents)

14.  Kurt-Helfried Winkelman (3 out of 3 patents)

15.  Uwe-Jens Krabbenhoeft (3 out of 3 patents)


Core Competencies:
Color Transformation
Light Beam Deflection
Multicolor Printing
Optoelectronic Records
Image Correction
Color Value Calibration
Digital Lookup Table
Photosetting Apparatus
Rastered Images
Density Thresholds
Geometric Masks
Synchronous Motor Control

69 patents:

1. 6137903 - Color transformation system based on target color image (2000-10-24),
2. 6124860 - Method and apparatus for producing circular distributions (2000-09-26),
3. 5946451 - Method for generating a contone map (1999-08-31),
4. 5898453 - Method and apparatus for exposing recording material having a (1999-04-27),
5. 5896815 - Punch module for printing plate exposers (1999-04-27),
6. 5883746 - Apparatus for beam splitting (1999-03-16),
7. 5877887 - Light beam deflection means (1999-03-02),
8. 5867296 - Light beam deflection apparatus having element for reducing air (1999-02-02),
9. 5866974 - Electron beam generator with magnetic cathode-protection unit (1999-02-02),
10. 5845056 - Method for generating a screened gray proof having gray values from a (1998-12-01),
11. 5835244 - Method and apparatus for the conversion of color values (1998-11-10),
12. 5828045 - Optoelectronic record element with electronic feedback for power control (1998-10-27),
13. 5816585 - Chuck element for machine tools with rotating jaw chuck (1998-10-06),
14. 5761231 - Method and circuit arrangement for regulating the luminous power of a (1998-06-02),
15. 5751845 - Method for generating smooth color corrections in a color space, (1998-05-12),
Linotype-Hell Ag, based in Kiel, Germany, specializes in advanced color imaging technology, focusing on innovative solutions for multicolor printing and image processing. The company is recognized for its expertise in color transformation, light beam deflection, and optoelectronic records, which are essential for high-quality digital printing. Their technologies also encompass image correction and color value calibration, enhancing the precision and fidelity of printed materials. Linotype-Hell Ag continues to be a key player in the evolution of digital typesetting and printing technologies.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Linotype-Hell Ag
69 Patents

#1 in Kiel

#836 in Germany

#10,751 in the World

Kiel, DE
Kiel, Germany

Linotype-Hell Ag

Forward Citations = 782

64 inventors:

goldMedal Thomas Zelenka (7 out of 7 patents)

silverMedal Gerald Johannes Sermund (4 out of 6 patents)

bronzeMedal Wilhelm Dichter (4 out of 4 patents)

4.  Rainer Schielke (4 out of 4 patents)

5.  Thomas J Harig (4 out of 4 patents)

Please report any incorrect information to [email protected]
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