logo

For the Inventor, By the Inventor

Munich, Germany

Holger H Fitjer

This inventor holds 13 USPTO granted patents. Top assignees: Georg Karl Geka-Brush Gmbh, George Karl Geka-Brush Gmbh. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Holger H Fitjer. Retrieved from https://idiyas.com/inventor/holger-h-fitjer

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 10

Forward Citations = 263(Granted Patents)


Location History:

  • Ansbach, DE (1990 - 1996)
  • München, DE (2002)

Company Filing History:

goldMedal12 out of 29 
 
Georg Karl Geka-Brush Gmbh
 patents
silverMedal1 out of 1 
 
George Karl Geka-Brush Gmbh
 patent

Years Active: 1990-2002

Loading Chart...
13 patents (USPTO):Explore Patents
1. 6443162 - Mascara brush (2002-09-03),
2. 5490529 - Brush with bristles fixed between twisted segments of wire (1996-02-13),
3. 5363529 - Dental brush (1994-11-15),
4. 5355547 - Dental cleaning brush (1994-10-18),
5. 5313684 - Dental brush holding device (1994-05-24),
6. 5161554 - Brush, in particular mascara brush (1992-11-10),
7. 5160057 - Container for cosmetics, in particular mascara unit (1992-11-03),
8. 5141347 - Reservoir with positioning sleeve for closure cap (1992-08-25),
9. 5133590 - Method of making a mascara brush (1992-07-28),
10. 5040914 - Device for the application of cosmetic materials (1991-08-20),
11. 4991989 - Applicator device with slide member (1991-02-12),
12. 4982838 - Disposable mascara tester (1991-01-08),
13. 4927283 - Applicator device with puncturing means (1990-05-22),

Title: Holger H Fitjer: Innovator in Mascara Brush Technology

Introduction

Holger H Fitjer is a notable inventor based in München, Germany, recognized for his contributions to the beauty industry, particularly in mascara brush technology. With a total of 13 patents to his name, Fitjer has made significant advancements that enhance the functionality and effectiveness of mascara application.

Latest Patents

Among his latest innovations is a mascara brush designed with a plurality of bristles fixed between two intertwined wire sections. This design allows the bristles to stand out on both sides, improving mascara transfer properties. The bristles feature a noncircular cross-section, and at least two fibers are connected lengthwise in the form of lines or points, enhancing the brush's performance. Another notable patent involves a mascara brush where bristles are fixed between twisted wire segments, which are surrounded by a plastic coating made from fluid absorbent, open-cell foamed material. This design aims to increase the liquid absorbing capacity of the brush, and the foamed coating may be roughened or fringed to further enhance the bristles' effectiveness.

Career Highlights

Throughout his career, Holger H Fitjer has worked with prominent companies in the beauty industry, including Georg Karl Geka-brush GmbH. His work has focused on developing innovative solutions that address the needs of consumers and improve the overall experience of using mascara products.

Collaborations

Due to space constraints, the details of collaborations will not be included.

Conclusion

Holger H Fitjer's inventive spirit and dedication to improving mascara brush technology have made him a significant figure in the beauty industry. His patents reflect a commitment to innovation that continues to influence product development in this 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]
Loading…