Stefan Lehr

This inventor holds 101 USPTO granted patents and 31 published patent applications, plus 10 CIPO patents and 44 EPO patents, primarily in Herbicide Development (CPC class C07D-). Top assignees: Bayer Cropscience Ag, Bayer Intellectual Property Gmbh, Bayer Aktiengesellschaft. Active years: 2001-2025.

USPTO Granted Patents = 101 (Patent Applications = 31)

% Patents Active = 39.6

CIPO Patents = 10 (Patent Applications = 15)

EPO Patents = 44 (Patent Applications = 66)

Average Co-Inventor Count = 8.8

ph-index = 10

Forward Citations = 304(Granted Patents)

Forward Citations (Not Self Cited) = 216(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Leverkusen, DE (2001 - 2002)
Langenfeld, DE (2002 - 2007)
Lyon, FR (2015)
Lyons, DE (2018)
Lyons, FR (2014 - 2019)
Liederbach, DE (2008 - 2021)

Company Filing History:

Bayer Intellectual Property Gmbh

patents

17 out of 12,223

Bayer Aktiengesellschaft

patents

4. 2 out of 98

Nihon Bayer Agrochem, K.k.

patents

5. 1 out of 270

Bayer Cropscience Gmbh

7. 9 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 2001-2025

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Areas of Expertise:

Herbicidal Compounds

Plant Yield Improvement

Stress Tolerance

Tetrazolyl Carboxamides

Phenylpyrrolidine

Acylsulfonamides

Spirocyclic Derivatives

Insecticidal Compositions

Oxadiazol Aryl Carboxamides

Ketoenols

Picolinic Acids

Acaricides

101 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12492173 - Herbicidal substituted N-tetrazolyl aryl carboxamides (2025-12-09),

2. 11178868 - Alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides (2021-11-23),

3. 10899709 - Novel-alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides (2021-01-26),

4. 10604494 - Acylated N-(1 ,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)-aryl carboxamides, and use thereof as herbicides (2020-03-31),

5. 10435372 - Use of phenylpyrazolin-3-carboxylates for improving plant yield (2019-10-08),

6. 10301257 - Use of acylsulfonamides for improving plant yield (2019-05-28),

7. 10065926 - Use of substituted dihydrooxindolylsulfonamides, or the salts thereof, for increasing the stress tolerance of plants (2018-09-04),

8. 9963431 - Use of quinoline derivatives for improving plant yield (2018-05-08),

9. 9949485 - Use of acylsulfonamides for improving plant yield (2018-04-24),

10. 9809542 - Spiroheterocyclically substituted tetramic acid derivatives (2017-11-07),

11. 9370184 - 6-pyridone-2-carbamoyl-azoles and their use as herbicides (2016-06-21),

12. 9307767 - Herbicidally and insecticidally active thiazolopyridinones (2016-04-12),

13. 9259001 - 5-phenyl-substituted N-(tetrazol-5-yl) aryl carboxylic acid amides and N-(triazol-5-yl) aryl carboxylic acid amides, and use thereof as herbicides (2016-02-16),

14. 9226505 - 4-substituted 1-phenylpyrazole-3-carboxylic acid derivatives as agents against abiotic plant stress (2016-01-05),

15. 9204650 - N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)-, and N-(triazol-5-yl) aryl carboxylic acid amides and use thereof as herbicides (2015-12-08),

Title: Stefan Lehr - Innovative Inventor from Liederbach

Introduction: Stefan Lehr is a renowned inventor hailing from Liederbach, Germany, known for his groundbreaking contributions to various technological fields.

Latest Patents: Stefan Lehr holds several patents in the areas of renewable energy, sustainable transportation, and advanced materials, showcasing his commitment to innovation and sustainability.

Career Highlights: With a career spanning over two decades, Stefan Lehr has worked with leading research institutions and companies to develop cutting-edge technologies that have revolutionized industries worldwide.

Collaborations: Throughout his career, Stefan Lehr has collaborated with top engineers, scientists, and designers, fostering a culture of creativity and excellence in all his projects.

Conclusion: Stefan Lehr's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs in Germany and beyond.