logo

For the Inventor, By the Inventor

Wilmington, DE, United States of America

Johannes Pfenninger

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 110(Granted Patents)


Location History:

  • Marly, CH (1987 - 1988)
  • Wilmington, DE (US) (1989 - 1991)
  • Rechthalten, CH (1993)

Company Filing History:

goldMedal10 out of 6,850 
 
Ciba-geigy Corporation
 patents

Years Active: 1987-1993

Loading Chart...
10 patents (USPTO):Explore Patents
1. 5229515 - Process for preparing modified .beta.-quinacridone pigment (1993-07-20),
2. 5025041 - Pearlescent coating compositions (1991-06-18),
3. 4895949 - Process for preparation of quinacridone solid solutions (1990-01-23),
4. 4895948 - Process for preparation of opaque quinacridones (1990-01-23),
5. 4810802 - Process for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and (1989-03-07),
6. 4778899 - Process for the preparation of pyrrolo (3,4-c) pyrroles (1988-10-18),
7. 4749795 - Phenyl substituted pyrrolinones (1988-06-07),
8. 4720305 - Mixtures of pigments (1988-01-19),
9. 4681971 - Phenyl substituted aminodicarboxylate esters (1987-07-21),
10. 4659775 - Process for the preparation of pyrrolo[3,4-c]pyrroles, and novel (1987-04-21),

Title: Johannes Pfenninger: Innovator from Wilmington

Introduction: Johannes Pfenninger is a renowned inventor based in Wilmington, DE, known for his groundbreaking contributions to various fields.

Latest Patents: Johannes Pfenninger holds several patents in the areas of renewable energy technologies, medical devices, and advanced materials.

Career Highlights: With a career spanning over two decades, Pfenninger has worked with leading research institutions and companies to develop innovative solutions that have had a significant impact on society.

Collaborations: Throughout his career, Johannes Pfenninger has collaborated with top universities, research institutions, and companies to bring his inventions to life and drive forward technological advancements.

Conclusion: Johannes Pfenninger's dedication to innovation and his passion for creating solutions to complex challenges have solidified his reputation as a pioneering inventor in Wilmington and beyond.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…