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Köniz, Switzerland

Haag-Streit Ag

USPTO Granted Patents = 44

% Expired Patents = 9.1

EPO Patents = 21

Trademarks = 10

Forward Citations = 491

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58 inventors (with patents filed for the assignee):

Lucio Robledo (10 out of 10 patents)

Hansruedi Widmer (6 out of 6 patents)

Peter Stalder (5 out of 5 patents)

4. Jörg Breitenstein (5 out of 5 patents)

5. Frank Zumkehr (5 out of 5 patents)

6. André Huber-Meznaric (3 out of 3 patents)

7. Christian Zoss (3 out of 3 patents)

8. Gerd Ulbers (3 out of 3 patents)

9. Franz Papritz (3 out of 4 patents)

10. Theodor Wolf (3 out of 3 patents)

11. Jörg Wagner (2 out of 2 patents)

12. Philippe Cattin (2 out of 8 patents)

13. Pascal Kesselring (2 out of 2 patents)

14. Christian Schlaeppi (2 out of 2 patents)

15. Ernst Rindlisbacher (2 out of 2 patents)

Core Competencies:

Ophthalmic Microscope

Optical Coherence Tomography

Tonometer

Eye Measurement

Keratometer

Slit Lamp

Digital Image Output

Eye Examination

Micro-Mirror Balancing

Movement Correction

Photoablation

Stereoscopic Examination

44 patents: Sort by Forward Citations

1. 12712057 - OPHTHALMIC MICROSCOPE WITH IMPROVED DOCUMENTATION CAPABILITY (2026-08-18),

2. 12661006 - Ophthalmic workstation (2026-06-23),

3. 12575731 - Ophthalmologic microscope with micro-mirror balancing (2026-03-17),

4. 12557985 - Device and method for measuring at least one geometric parameter of the eye (2026-02-24),

5. 12323712 - Image exposure techniques for ophthalmic microscope devices (2025-06-03),

6. 12298129 - Optical coherence tomography system for ophthalmology (2025-05-13),

7. 12279818 - Ophthalmologic microscope with at least one controlled manual degree of freedom (2025-04-21),

8. 12150708 - Device and method for determining the orientation of an ophthalmologic microscope device (2024-11-26),

9. 11382504 - OCT system and OCT method (2022-07-12),

10. 11272837 - Method for performing a movement correction when measuring eyes, and measurement system (2022-03-15),

11. 11236986 - OCT system and OCT method (2022-02-01),

12. 11193754 - OCT system and OCT method (2021-12-07),

13. D935619 - Optical device (2021-11-09),

14. 11009337 - Calibration of an interferometer (2021-05-18),

15. 10595723 - Measuring method (2020-03-24),

Company Overview

Haag-Streit AG, headquartered in Köniz, Switzerland, specializes in the development and manufacturing of advanced ophthalmic instruments. The company is renowned for its innovative solutions in eye measurement, including ophthalmic microscopes, optical coherence tomography, and tonometers. Haag-Streit is committed to enhancing eye examination practices through precision technology, offering products that support eye care professionals in delivering high-quality patient care. Their expertise extends to keratometry, stereomicroscopes, and photoablation, positioning them as a leader in the ophthalmic field.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

44 Patents

#1 in Köniz

#322 in Switzerland

#15,756 in the World

Köniz, Switzerland

Haag-Streit Ag

Forward Citations = 491

58 inventors:

Lucio Robledo (10 out of 10 patents)

Hansruedi Widmer (6 out of 6 patents)

Peter Stalder (5 out of 5 patents)

4. Jörg Breitenstein (5 out of 5 patents)

5. Frank Zumkehr (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haag-Streit Ag. Retrieved from https://idiyas.com/company/haag-streit-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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