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For the Inventor, By the Inventor

Erzhausen, Germany

Ekkehard Bartmann

This inventor holds 52 USPTO granted patents, plus 1 CIPO patent, primarily in Liquid Crystal Displays (CPC class 2522). Top assignees: Merck Patent Gesellschaft MIT Beschrankter Haftung, Merck Patent Gmbh, Ciba-Geigy Corporation. Active years: 1990-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ekkehard Bartmann. Retrieved from https://idiyas.com/inventor/ekkehard-bartmann

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 52

% Patents Active = 84.6

 

Average Co-Inventor Count = 3.6

ph-index = 11

Forward Citations = 421(Granted Patents)

Forward Citations (Not Self Cited) = 374(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Erzhauzen, DE (1993)
  • Erzhausen, DE (1990 - 2009)

Company Filing History:

goldMedal37 out of 1,248 
 
Merck Patent Gesellschaft MIT Beschrankter Haftung
 patents
silverMedal5 out of 3,032 
 
Merck Patent Gmbh
 patents
bronzeMedal4 out of 6,858 
 
Ciba-Geigy Corporation
 patents
4. 3 out of 1,524 
 
Ciba Specialty Chemicals Corporation
 patents
5. 3 out of 28 
 
Merck Kgaa
 patents
6. 1 out of 847 
 
Sharp Corporation
 patents
where one patent can have more than one assignee

Years Active: 1990-2009

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Areas of Expertise:
Liquid Crystal Display
Benzene Derivatives
Crystallisation
Liquid-Crystalline Medium
Nematic Composition
Acid-Curable Binders
Fluorinated Compounds
Vinylene Compounds
Polyimides
Difluorovinyl Ethers
Optically Active Compounds
Partially Fluorinated Benzene
52 patents (USPTO):Explore Patents
1. 7629493 - Process for the crystallisation of guandinium salts (2009-12-08),
2. 7445818 - Matrix liquid crystal display (2008-11-04),
3. 7186447 - Matrix liquid crystal display (2007-03-06),
4. 6905740 - Matrix liquid crystal display (2005-06-14),
5. 6706921 - Method for producing sulfonyl-benzoyl guanidinium salts (2004-03-16),
6. 6573404 - Method for producing ortho-alkylated benzoic acid derivatives (2003-06-03),
7. 6562419 - Matrix liquid crystal display (2003-05-13),
8. 6515143 - Method for producing ortho-alkylated benzoic acid derivatives (2003-02-04),
9. 6350904 - Method for producing ortho-alkylated benzoic acid derivatives (2002-02-26),
10. 6159393 - Benzene derivatives and liquid-crystalline medium (2000-12-12),
11. 6156815 - Acid-curable binder systems containing 1,2-disulfones (2000-12-05),
12. 6004479 - Matrix liquid crystal display (1999-12-21),
13. 5985950 - Acid-curable binder systems containing 1,2 disulfones (1999-11-16),
14. 5837162 - Liquid-crystalline compounds (1998-11-17),
15. 5753142 - Nematic liquid-crystal composition for active matrix application (1998-05-19),

Title: Ekkehard Bartmann - Innovative Inventor from Erzhausen

Introduction: Ekkehard Bartmann is a renowned inventor hailing from Erzhausen, Germany, known for his groundbreaking contributions to various fields.

Latest Patents: Ekkehard Bartmann holds several patents in the areas of renewable energy technologies, sustainable agriculture, and advanced materials science.

Career Highlights: With a career spanning over two decades, Bartmann has worked with leading research institutions and universities to develop cutting-edge solutions for global challenges.

Collaborations: Throughout his career, Ekkehard Bartmann has collaborated with multinational companies, innovative startups, and government agencies to bring his inventions to the market and make a positive impact on society.

Conclusion: Ekkehard Bartmann's passion for innovation and his dedication to creating a sustainable future have solidified his reputation as a visionary inventor in the global innovation landscape.

Profile summary based on public USPTO records.
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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