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For the Inventor, By the Inventor

Leverkusen, Germany

Bayer Aktiengesellschaft

Calculating rank
USPTO Granted Patents = 12,269

% Expired Patents = 6.6



Trademarks = 275

Forward Citations = 104,531

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7,404 inventors (with patents filed for the assignee):

goldMedal Wilhelm Brandes (407 out of 410 patents)

silverMedal Hans-Joachim Santel (367 out of 378 patents)

bronzeMedal Robert R Schmidt (359 out of 361 patents)

4.  Stefan Dutzmann (241 out of 254 patents)

5.  Christoph Erdelen (241 out of 299 patents)

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

7.  Ingeborg Hammann (234 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 (176 out of 176 patents)


Core Competencies:
Herbicides
Fungicides
Crop Protection
Pesticides
Insecticides
Biological Control
Active Compounds
Chemical Formulations
Agricultural Solutions
Radiology
Machine Learning
Nano-Seeding

12,269 patents:

1. 12774273 - Substituted thiophene carboxamides and derivatives thereof (2026-10-27),
2. 12760047 - Phosphorus derivatives as SOS1 inhibitors (2026-10-13),
3. 12759981 - Cholinate of 2-(1-cyclobutyl-1H-pyrazol-4-yl)-5-[([{1-[2-fluoro-4-(trifluoromethyl)-phenyl]cyclopropyl}carbonyl)amino]benzoic acid (2026-10-13),
4. 12735415 - Process for the preparation of 2-cyanoethyl (4s)-4-(4-cyano-2-methoxy-phenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate by resolution of racemates by means of diastereomeric tartaric acid esters (2026-09-15),
5. D1146627 - Vial packaging tray (2026-09-08),
6. 12724992 - Readout of optically readable codes (2026-09-01),
7. 12718944 - Assistance in the detection of pulmonary diseases (2026-08-25),
8. 12715932 - ANTI-A2AP ANTIBODIES AND USES THEREOF (2026-08-25),
9. 12714106 - Crystal forms of methyl(2R*,4R*)-4-[[(5S)-3-(3,5-difluorophenyl)-5-vinyl-4H-isoxazole-5-carbonyl]amino]tetrahydrofuran-2-carboxylate and their herbicidal synergistic effects (2026-08-25),
10. 12703690 - Process for preparing alkyl-4-oxotetrahydrofuran-2-carboxylate (2026-08-11),
11. 12702997 - Spray unit with variable disc diameter (2026-08-11),
12. 12702996 - Dynamic drift control (2026-08-11),
13. 12692261 - Substituted heterocyclic compounds and therapeutic uses thereof (2026-07-28),
14. 12690584 - [(5-phenyl-1-heteroaryl-1H-pyrazol-3-yl)oxy] acetic acid derivatives as safeners for the protection of useful plants and crop plants (2026-07-28),
15. 12682405 - Device for agricultural management (2026-07-14),
Company Overview
Bayer Aktiengesellschaft, headquartered in Leverkusen, Germany, is a global leader in agricultural chemistry, specializing in the development and manufacturing of innovative solutions for crop protection. The company focuses on a diverse range of products, including herbicides, fungicides, insecticides, and biological control agents, aimed at enhancing agricultural productivity and sustainability. Bayer is committed to advancing agricultural science through research in active compounds and chemical formulations, addressing the evolving needs of farmers worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

Bayer Aktiengesellschaft USPTO Patent Assignee Logo
12,269 Patents

#1 in Leverkusen

#4 in Germany

#69 in the World

Leverkusen, DE
Leverkusen, Germany

Bayer Aktiengesellschaft

Forward Citations = 104,531

7,404 inventors:

goldMedal Wilhelm Brandes (407 out of 410 patents)

silverMedal Hans-Joachim Santel (367 out of 378 patents)

bronzeMedal Robert R Schmidt (359 out of 361 patents)

4.  Stefan Dutzmann (241 out of 254 patents)

5.  Christoph Erdelen (241 out of 299 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bayer Aktiengesellschaft. Retrieved from https://idiyas.com/company/bayer-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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