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For the Inventor, By the Inventor

Düsseldorf, Germany

Karin Hassenrück

This inventor holds 6 USPTO granted patents. Top assignees: Bayer Aktiengesellschaft, Other. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karin Hassenrück. Retrieved from https://idiyas.com/inventor/karin-hassenranduumlck

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

USPTO Granted Patents = 6

% Patents Active = 16.7

Average Co-Inventor Count = 8.7

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Düsseldorf, DE (2001 - 2004)
  • Dësseldorf, DE (2004)

Company Filing History:

goldMedal5 out of 12,268 
 
Bayer Aktiengesellschaft
 patents
silverMedal1 out of 834,513 
Other
 patents

Years Active: 2001-2004

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6 patents (USPTO):Explore Patents
1. 6835725 - Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer (2004-12-28),
2. 6737142 - Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer (2004-05-18),
3. 6726972 - Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer (2004-04-27),
4. 6713146 - Optical data stores containing a Co-phthalocyanine complex in the information layer recordable using light (2004-03-30),
5. 6641889 - Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer (2003-11-04),
6. 6245138 - Pigment preparations useful for ink-jet printing (2001-06-12),

Title: The Innovations of Karin Hassenrück

Introduction

Karin Hassenrück is a notable inventor based in Düsseldorf, Germany. She has made significant contributions to the field of optical data storage, holding a total of 6 patents. Her work focuses on the development of advanced optical data carriers that utilize innovative light-absorbent compounds.

Latest Patents

Among her latest patents is an optical data carrier that incorporates a cyanine dye as a light-absorbent compound in the information layer. This invention features a transparent substrate that may be coated with reflection layers, allowing it to be written on or read by various light sources, including blue, red, or infrared laser light. Another significant patent involves an optical data store that uses an axially substituted cobalt phthalocyanine in the light-writeable information layer. This technology is designed to be compatible with infrared light, particularly in the wavelength range of 750-800 nm.

Career Highlights

Karin has worked with Bayer Aktiengesellschaft, where she contributed her expertise in optical technologies. Her innovative approach has led to advancements in data storage solutions, making her a key figure in her field.

Collaborations

Throughout her career, Karin has collaborated with notable professionals, including Horst Berneth and Friedrich-Karl Bruder. These partnerships have further enhanced her research and development efforts.

Conclusion

Karin Hassenrück's contributions to optical data storage technology are significant and impactful. Her innovative patents and collaborations highlight her role as a leading inventor in her field.

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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