Hermann Hagemann

This inventor holds 92 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Phenyl Keto Enols (CPC class C07D-). Top assignees: Bayer Aktiengesellschaft, Agfa-Gevaert Ag, Bayeraktiengesellschaft. Active years: 1976-2014.

USPTO Granted Patents = 92

% Patents Active = 80.4

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 5.0

ph-index = 23

Forward Citations = 1,461(Granted Patents)

Forward Citations (Not Self Cited) = 1,337(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Cologne, DE (1976 - 1986)
Leverkusen, DE (1983 - 2014)

Company Filing History:

90 out of 12,266

Bayer Aktiengesellschaft

Bayeraktiengesellschaft

patents

Years Active: 1976-2014

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Areas of Expertise:

Phenyl Keto Enols

Pesticides

Herbicides

Cyclic Ketonols

Aryl-Substituted Compounds

Enaminones

Trisubstituted Compounds

Oxymethoxy Derivatives

Naphthyridonecarboxylic Acids

Tetronic Acid Derivatives

Dihalogenated Compounds

Endoparasiticidal Action

92 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8673818 - C2-phenyl-substituted cyclic ketonols (2014-03-18),

2. 8334300 - [object Object] (2012-12-18),

3. 8193120 - [object Object] (2012-06-05),

4. 7915282 - [object Object] (2011-03-29),

5. 7256158 - 2,4,5,-trisubstituted phenylketo-enols for use as pesticides and herbicides (2007-08-14),

6. 7186829 - Aryl-substituted heterocyclic enaminones (2007-03-06),

7. 7109370 - Substituted phenylketoenols (2006-09-19),

8. 6933261 - 2,4,5-Trisubstituted phenylketoenols (2005-08-23),

9. 6900341 - Substituted phenylketoenols (2005-05-31),

10. 6858741 - Alkyl-dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides (2005-02-22),

11. 6759548 - Dialkyl-halogenophenyl-substituted ketoenols (2004-07-06),

12. 6746990 - 2-phenyl-substituted heterocyclic 1,3-ketoenols as herbicides and pesticides (2004-06-08),

13. 6670488 - Substituted phenylketoenols (2003-12-30),

14. 6630594 - Methods of making substituted phenylketoenols (2003-10-07),

15. 6608211 - Substituted phenyl ketoenols (2003-08-19),

Title: The Innovative Mind of Hermann Hagemann

Introduction: Hermann Hagemann, a pioneering inventor hailing from Leverkusen, Germany, has made significant contributions to the world of innovations with his creative and forward-thinking approach.

Latest Patents: Hermann Hagemann's latest patents showcase his dedication to pushing the boundaries of technology and design, with a focus on sustainability and efficiency in various industries.

Career Highlights: Throughout his illustrious career, Hermann Hagemann has been recognized for his groundbreaking inventions that have revolutionized the way we approach everyday challenges. His keen eye for detail and passion for innovation have led to the development of cutting-edge solutions that have had a lasting impact.

Collaborations: Hermann Hagemann has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work seamlessly with teams of experts from diverse backgrounds has been instrumental in the success of his projects.

Conclusion: In conclusion, Hermann Hagemann's innovative spirit and relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions. His work continues to inspire future generations of inventors to think outside the box and strive for greatness in all their endeavors.