Average Co-Inventor Count = 2.4

ph-index = 8

Forward Citations = 244(Granted Patents)

Forward Citations (Not Self Cited) = 221(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

46 out of 10,754

Basf Aktiengesellschaft

Badische Anilin- & Soda-fabrik Aktiengesellschaft

patents

Years Active: 1976-2000

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Areas of Expertise:

Triazolo Pyridines

Naphtholactam Dyes

Pyridine Dyes

Azo Dyestuffs

Thiophene Derivatives

Isothiazoleazo Dyes

Optical Recording Medium

Dye Mixtures

Aminophenyl Components

Dyes with Diazo Component

Indole Derivatives

Colorants

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6043369 - [1,3,4] Triazolo [1,5-A] pyridines (2000-03-28),

2. 5929245 - Naphtholactam dyes (1999-07-27),

3. 5703238 - Preparation of pyridine dyes (1997-12-30),

4. 5654122 - N-aminopyridone dyes (1997-08-05),

5. 5637702 - Sulfur compounds (1997-06-10),

6. 5616710 - Triazolopyridine dyes (1997-04-01),

7. 5612465 - Phenylazotriazolopyridine dyestuffs (1997-03-18),

8. 5608041 - Azo dyestuffs containing a diazo component from the aniline series and (1997-03-04),

9. 5580980 - N-aminopyridone dyes (1996-12-03),

10. 5538939 - Acylamino-substituted isoxazole or isothiazole derivatives, their (1996-07-23),

11. 5491232 - Sulfur compounds useful for preparation of dyes (1996-02-13),

12. 5466812 - Preparation of N-aminopyridones (1995-11-14),

13. 5352774 - Dyes containing thiophene radicals (1994-10-04),

14. 5283326 - Dyes containing thiophene radicals (1994-02-01),

15. 5270456 - Azo dyes with A2-aminothiophene dye azo component and a coupling (1993-12-14),

Title: The Prolific Inventor: Ernst Schefczik

Introduction: Meet Ernst Schefczik, a renowned inventor hailing from Ludwigshafen, Germany, known for his impressive portfolio of 49 patents in various fields of innovation.

Latest Patents: Among his recent patents are groundbreaking inventions such as Triazolo [1,5-A] pyridines, Naphtholactam dyes, and other cutting-edge technologies shaping the future.

Career Highlights: Ernst Schefczik has made significant contributions to the industry through his work with reputable companies like BASF Aktiengesellschaft and Sandoz AG, pushing the boundaries of innovation and research in his field.

Collaborations: Throughout his career, Ernst has collaborated closely with esteemed colleagues like Helmut Reichelt and Karl-Heinz Etzbach, leveraging their collective expertise to drive innovation and bring revolutionary ideas to life.

Conclusion: Ernst Schefczik stands as a trailblazer in the world of invention, leaving a lasting impact through his prolific patent portfolio and collaborative efforts that continue to shape industries and inspire future generations of innovators.

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