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For the Inventor, By the Inventor

Berlin, Germany

Gunter Neef

This inventor holds 51 USPTO granted patents, plus 2 CIPO patents, primarily in Steroid Derivatives (CPC class 5141). Top assignees: Schering Aktiengesellschaft, A/s Ferrosan, Hoffmann-La Roche Inc.. Active years: 1977-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gunter Neef. Retrieved from https://idiyas.com/inventor/gunter-neef

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

Calculating rank
USPTO Granted Patents = 51

% Patents Active = 92.2


Average Co-Inventor Count = 5.6

ph-index = 13

Forward Citations = 431(Granted Patents)

Forward Citations (Not Self Cited) = 405(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal50 out of 1,409 
 
Schering Aktiengesellschaft
 patents
silverMedal2 out of 41 
 
A/s Ferrosan
 patents
bronzeMedal1 out of 5,027 
 
Hoffmann-La Roche Inc.
 patents
where one patent can have more than one assignee

Years Active: 1977-2006

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Areas of Expertise:
Steroid Derivatives
Antigestagenic Steroids
Vitamin D Modifications
Taxane Derivatives
C-19 Halogen-Substituted Steroids
Borneol Esters
Cyclohexanone Derivatives
Estrenes
Pharmaceutical Applications
Production Processes
Fluorinated Chains
Aryl Compounds
51 patents (USPTO):Explore Patents
1. 7148213 - Antigestagenically active steroids with a fluorinated 17α-alkyl chain (2006-12-12),
2. 7071344 - Vitamin D derivatives with cyclopropyl rings in the lateral chains, a method and intermediate products for the production thereof and the utilization thereof for producing medicaments (2006-07-04),
3. 6806263 - Antigestagenically active steroids with a fluorinated 17-alpha-alkyl chain (2004-10-19),
4. 6790843 - C-19-halogen-substituted steroids of the androst-9(11)-ene-series, methods for the production and use thereof (2004-09-14),
5. 6503895 - Antigestagenically active steroids with a fluorinated 17&agr;-alkyl chain (2003-01-07),
6. 6316432 - Antigestagenically active steroids with a flourinated 17 &agr;-alkyl chain (2001-11-13),
7. 6162920 - Taxane derivatives having a pyridyl substituted C13 side chain, their (2000-12-19),
8. 6096732 - Steroid esters, process for their production and their pharmaceutical use (2000-08-01),
9. 6025507 - Borneol derivatives, methods of manufacturing them, and their (2000-02-15),
10. 5965609 - Borneol esters, process for their production, and their pharmaceutical (1999-10-12),
11. 5886233 - Cyclohexanone derivatives, process for their production and intermediate (1999-03-23),
12. 5843933 - 11.beta.-aryl-4-estrenes, process for their production as well as their (1998-12-01),
13. 5792792 - Borenol derivatives, process for their production and their (1998-08-11),
14. 5728689 - 11.beta.-aryl-4-estrenes, process for their production as well as their (1998-03-17),
15. 5700791 - Vitamin D derivatives modified in the 20-position and pharmaceutical (1997-12-23),

Title: Exploring the Inventive Mind of Gunter Neef

Introduction:

Gunter Neef, a prolific inventor based in Berlin, DE, has made significant contributions to the field of pharmaceuticals with a total of 51 patents to his name. His innovative work has focused on developing new compounds with unique properties for the production of pharmaceutical preparations.

Latest Patents:

1. Antigestagenically active steroids with a fluorinated 17α-alkyl chain: In this invention, Gunter Neef describes novel 17α-fluoroalkyl steroids with strong antigestagenic action, suitable for pharmaceutical applications.

2. Vitamin D derivatives with cyclopropyl rings in the lateral chains: Neef's invention revolves around new vitamin D derivatives, their production method, intermediate products, and their utility in medicament production.

Career Highlights:

Throughout his career, Gunter Neef has worked with esteemed companies such as Schering Aktiengesellschaft and A/S Ferrosan. His tenure at these organizations has undoubtedly influenced his inventive spirit and enriched his knowledge base in the pharmaceutical industry.

Collaborations:

Neef's collaborative efforts with coworkers like Rudolf Wiechert and Walter Elger have further fueled his innovative endeavors. The exchange of ideas and expertise among these professionals has undoubtedly played a pivotal role in the success of his inventions.

Conclusion:

In conclusion, Gunter Neef stands as a shining example of a visionary inventor in the pharmaceutical sector. His groundbreaking patents and fruitful collaborations underscore his commitment to advancing scientific knowledge and pushing the boundaries of pharmaceutical innovation in Berlin and beyond.

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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