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For the Inventor, By the Inventor

Eltville, Germany

Hans-Rolf Dübal

This inventor holds 10 USPTO granted patents. Top assignees: Aventis Research & Technologies Gmbh & Co Kg, Clariant International Ltd, Aventis Research & Technologies. Active years: 2002-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Rolf Dübal. Retrieved from https://idiyas.com/inventor/hans-rolf-danduumlbal

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

USPTO Granted Patents = 10

% Patents Active = 90.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 75(Granted Patents)


Company Filing History:

goldMedal3 out of 62 
 
Aventis Research & Technologies Gmbh & Co Kg
 patents
silverMedal3 out of 276 
 
Clariant International Ltd
 patents
bronzeMedal1 out of 4 
 
Aventis Research & Technologies
 patents
4. 1 out of 1 
 
Aventis Research & Technology Deutschland Gmbh & Co.kg
 patent
5. 1 out of 480 
 
Clariant Corporation
 patents
6. 1 out of 1 
 
Merck Patent Beschraenkter Haftung
 patent

Years Active: 2002-2004

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10 patents (USPTO):Explore Patents
1. 6824707 - Active matrix liquid crystal device and smectic liquid crystal mixture (2004-11-30),
2. 6793984 - Fluorinated (dihydro)phenanthrene derivatives, and their use in liquid-crystalline media (2004-09-21),
3. 6746731 - Ferroelectric active matrix displays with wide operating temperature range (2004-06-08),
4. 6704086 - Monostable ferroelectric active-matrix display (2004-03-09),
5. 6661494 - Monostable ferroelectric active matrix display (2003-12-09),
6. 6549188 - Ferroelectric liquid-crystal display with wide range of working temperatures (2003-04-15),
7. 6495220 - Disubstituted phenanthrenes and their use in liquid-crystal mixtures (2002-12-17),
8. 6482479 - Active matrix displays having high contrast values (2002-11-19),
9. 6368679 - Ferroelectric liquid-crystal display having active matric elements (2002-04-09),
10. 6365238 - Chip card with bistable display (2002-04-02),

Title: Hans-Rolf Dübal - Innovative Inventor from Eltville

Introduction: Hans-Rolf Dübal is a renowned inventor hailing from Eltville, Germany, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hans-Rolf Dübal holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Hans-Rolf Dübal has been instrumental in developing cutting-edge solutions that have revolutionized industries and improved the lives of many.

Collaborations: Hans-Rolf Dübal has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge exchange.

Conclusion: Hans-Rolf Dübal's passion for innovation and his relentless pursuit of excellence make him a true pioneer in the world of inventions, leaving a lasting impact on the technological 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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