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Port, Switzerland

Ziemer Ophthalmic Systems Ag

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USPTO Granted Patents = 46

% Expired Patents = 2.2

EPO Patents = 43

Trademarks = 6

Forward Citations = 61

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11 inventors (with patents filed for the assignee):

Christian Rathjen (44 out of 89 patents)

Michael Steinlechner (8 out of 8 patents)

Thomas Studer (5 out of 5 patents)

4. Werner Bernau (3 out of 3 patents)

5. Joachim Hertzberg (1 out of 3 patents)

6. Fabian Müller (1 out of 1 patent)

7. Richard Thorlakson (1 out of 1 patent)

8. Thomas Asshauer (1 out of 1 patent)

9. Christoph Bacher (1 patent)

10. Mohamad Omar Marashi (0 patent)

11. Franziska Rothen (0 patent)

Core Competencies:

Pulsed Laser Beam

Ophthalmological Treatment

Corneal Correction

Eye Tissue Processing

Patient Interface

Laser Treatment System

Intra-Capsular Fragmentation

Surgical Treatment

Negative-Pressure Device

Visual Field Determination

Vacuum Device

Ophthalmic Apparatus

46 patents: Sort by Forward Citations

1. 12766036 - Ophthalmological laser treatment device (2026-10-20),

2. 12691009 - Apparatus for working on eye tissue by means of a pulsed laser beam (2026-07-28),

3. 12653718 - Ophthalmological patient interface (2026-06-16),

4. 12642698 - Ophthalmological laser device (2026-06-02),

5. 12551377 - Device for treating eye tissue by means of a pulsed laser beam (2026-02-17),

6. 12491113 - Ophthalmological device for processing a curved treatment face (2025-12-09),

7. 12485042 - Ophthalmological treatment apparatus (2025-12-02),

8. 12357508 - Ophthalmic device for treating an eye (2025-07-15),

9. 12303433 - Ophthalmological device for refractive correction of a cornea (2025-05-20),

10. 12274644 - Ophthalmic device for treating an eye (2025-04-14),

11. 12263124 - Ophthalmological device for intra-capsular fragmentation of a lens nucleus (2025-04-01),

12. 12239577 - Ophthalmological device for treatment of a cornea (2025-03-04),

13. 12036151 - Apparatus for working on eye tissue by means of a pulsed laser beam (2024-07-16),

14. 11944576 - Ophthalmological apparatus for treating eye tissue using a pulsed laser beam (2024-04-02),

15. 11938060 - Device for treating eye tissue using laser pulses (2024-03-26),

Company Overview

Ziemer Ophthalmic Systems AG is a Swiss company specializing in advanced ophthalmological devices and laser treatment technologies. With a focus on corneal treatment and eye tissue processing, the company develops innovative solutions that enhance refractive correction procedures. Their expertise includes the use of pulsed laser beams and patient interface systems, which are integral to modern eye surgery. Ziemer's commitment to precision and quality positions it as a key player in the ophthalmic medical device sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

46 Patents

#1 in Port

#313 in Switzerland

#15,149 in the World

Port, Switzerland

Ziemer Ophthalmic Systems Ag

Forward Citations = 61

11 inventors:

Christian Rathjen (44 out of 89 patents)

Michael Steinlechner (8 out of 8 patents)

Thomas Studer (5 out of 5 patents)

4. Werner Bernau (3 out of 3 patents)

5. Joachim Hertzberg (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ziemer Ophthalmic Systems Ag. Retrieved from https://idiyas.com/company/ziemer-ophthalmic-systems-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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