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Leverkusen, Germany

Bayer Aktiengesellschaft

USPTO Granted Patents = 12,160

CIPO Patents = 95

EPO Patents = 225

Trademarks = 483

Forward Citations = 102,391

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7,545 inventors (with patents filed for the assignee):

Wilhelm Brandes (407 out of 410 patents)

Hans-Joachim Santel (367 out of 378 patents)

Robert R Schmidt (358 out of 361 patents)

4. Stefan Dutzmann (240 out of 254 patents)

5. Christoph Erdelen (240 out of 299 patents)

6. Karl H Buchel (235 out of 236 patents)

7. Ingeborg Hammann (233 out of 234 patents)

8. Albrecht Marhold (221 out of 245 patents)

9. Klaus Lurssen (220 out of 221 patents)

10. Gerd Hanssler (204 out of 204 patents)

11. Wilhelm Stendel (201 out of 201 patents)

12. Hans-Jochem Riebel (186 out of 195 patents)

13. Hans-Josef Buysch (184 out of 194 patents)

14. Wolfgang Kramer (181 out of 185 patents)

15. Bernhard Homeyer (175 out of 176 patents)

Core Competencies:

Triazolone Inhibitors

Heterocycle Derivatives

Herbicidal Compositions

Fungicidal Compounds

Antibody Engineering

Insecticidal Properties

Nano-Seeding

Unmanned Aerial Vehicles

Radiological Imaging

Cancer Treatment

Pest Control Agents

Enantioselective Hydrogenation

12,160 patents: Sort by Forward Citations

1. 12492196 - Thienyloxazolones and analogues (2025-12-09),

2. 12492173 - Herbicidal substituted N-tetrazolyl aryl carboxamides (2025-12-09),

3. 12490740 - Active compound combinations having insecticidal properties (2025-12-09),

4. 12486248 - 2,4,5-trisubstituted 1,2,4-triazolones useful as inhibitors of DHODH (2025-12-02),

5. 12482282 - System for determining the effect of active ingredients on acariformes, insects and other organisms in an assay plate containing wells (2025-11-25),

6. RE50663 - Heterocycle derivatives as pesticides (2025-11-18),

7. 12475812 - Control of resistent harmful organisms (2025-11-18),

8. 12459134 - Gripping device for transferring a magnetic dipole rod (2025-11-04),

9. 12458024 - Compound combination with superior herbicidal activity (2025-11-04),

10. 12448381 - Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carbox-amide by racemate separation by means of diastereomeric tartaric acid esters (2025-10-21),

11. 12435050 - Benazolin-choline and its use in the agrochemical field (2025-10-07),

12. 12433293 - Herbicidal compositions (2025-10-07),

13. 12427153 - 1,2,4-triazin-3(2H)-one compounds for the treatment of hyperproliferative diseases (2025-09-30),

14. 12419297 - Fluid management for a trap device (2025-09-23),

15. 12415786 - Substituted 2-heteroarylaminobenzenes and the salts thereof and their use as herbicidal agents (2025-09-16),

Bayer Aktiengesellschaft is a multinational pharmaceutical and life sciences company based in Germany. They operate in the fields of healthcare, agriculture, and high-tech polymer materials. With over 150 years of history, Bayer is committed to improving people's lives through their innovative products and solutions. Their portfolio includes prescription medicines, over-the-counter drugs, crop protection products, seeds, and traits for modern agriculture, and high-value polymers for various industries. By combining science and sustainability, Bayer strives to address some of the world's most pressing challenges, such as health and nutrition, climate change, and resource efficiency.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12,160 Patents

#1 in Leverkusen

#4 in Germany

#69 in the World

Leverkusen, Germany

Bayer Aktiengesellschaft

Forward Citations = 102,391

7,545 inventors:

Wilhelm Brandes (407 out of 410 patents)

Hans-Joachim Santel (367 out of 378 patents)

Robert R Schmidt (358 out of 361 patents)

4. Stefan Dutzmann (240 out of 254 patents)

5. Christoph Erdelen (240 out of 299 patents)

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