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Oberkochen, Germany

Carl Zeiss Gmbh

USPTO Granted Patents = 34

EPO Patents = 2

Trademarks = 2

Forward Citations = 2,758

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38 inventors (with patents filed for the assignee):

Jay Wei (14 out of 37 patents)

Thomas Hellmuth (8 out of 9 patents)

Ming Lai (5 out of 46 patents)

4. Alan R Kirschbaum (4 out of 6 patents)

5. Christopher L Petersen (4 out of 4 patents)

6. David E Huang (2 out of 57 patents)

7. Thomas Hellmuth (2 out of 3 patents)

8. Bernd Geh (1 out of 19 patents)

9. Michael Kaschke (1 out of 9 patents)

10. Eberhard Derndinger (1 out of 5 patents)

11. Ileana Nedelcu (1 out of 3 patents)

12. Robbert W E Van De Kruijs (1 out of 2 patents)

13. Christopher J R V Baker (1 out of 6 patents)

14. Shiyu Zhang (1 out of 13 patents)

15. Charles E Campbell (1 out of 42 patents)

34 patents: Sort by Forward Citations

1. 8212988 - Projection objective for microlithography (2012-07-03),

2. 8144830 - Reflective optical element for EUV lithography device (2012-03-27),

3. 6572229 - Back projection visual field tester (2003-06-03),

4. 6422701 - Visual field tester (2002-07-23),

5. 6407872 - Optical path length scanner using moving prisms (2002-06-18),

6. 6406146 - Wavefront refractor simultaneously recording two hartmann-shack images (2002-06-18),

7. 6382795 - Method and apparatus for measuring refractive errors of an eye (2002-05-07),

8. 6382794 - Method and apparatus for mapping a corneal contour and thickness profile (2002-05-07),

9. 6382793 - Method and apparatus for measuring a wavefront (2002-05-07),

10. 6325512 - Retinal tracking assisted optical coherence tomography (2001-12-04),

11. 6293674 - Method and apparatus for diagnosing and monitoring eye disease (2001-09-25),

12. 6220706 - Method and apparatus for determining position of an eye (2001-04-24),

13. 6139150 - Compact visual field tester (2000-10-31),

14. 6053613 - Optical coherence tomography with new interferometer (2000-04-25),

15. 6004314 - Optical coherence tomography assisted surgical apparatus (1999-12-21),

Carl Zeiss AG is a German manufacturer of optical systems, industrial measurements, and medical devices, founded in 1846 and headquartered in Oberkochen, Germany. The company focuses on producing high-tech solutions for various industries, including healthcare, life sciences, and manufacturing. With a rich history in optical innovation, Zeiss is renowned for its precision optics and imaging technologies. Their products range from microscopes and cameras to surgical microscopes and ophthalmic equipment. Zeiss is committed to advancing scientific research, improving medical diagnostics, and enabling efficient industrial processes.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

34 Patents

#9 in Oberkochen

#1,485 in Germany

#19,058 in the World

Oberkochen, Germany

Carl Zeiss Gmbh

Forward Citations = 2,758

38 inventors:

Jay Wei (14 out of 37 patents)

Thomas Hellmuth (8 out of 9 patents)

Ming Lai (5 out of 46 patents)

4. Alan R Kirschbaum (4 out of 6 patents)

5. Christopher L Petersen (4 out of 4 patents)

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