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For the Inventor, By the Inventor

Offenbach, Germany

Joachim Ribka

This inventor holds 64 USPTO granted patents, primarily in Azo Dye Chemistry (CPC class 2601). Top assignees: Cassella Aktiengesellschaft, Cassella Farbwerke Mainkur Aktiengesellschaft, Hoechst Aktiengesellschaft. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joachim Ribka. Retrieved from https://idiyas.com/inventor/joachim-ribka

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

USPTO Granted Patents = 64

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 350(Granted Patents)

Forward Citations (Not Self Cited) = 340(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Offenbach (Main), DE (1976)
  • Offenbach, Main-Burgel, DE (1976)
  • Offenbach, (Main)-Burgel, DE (1976)
  • Offenbach (Main-Burgel), DE (1976)
  • Offenbach, Main, DE (1976 - 1977)
  • Offenbach (Main)-Buergel, DE (1977)
  • Offenbach am Main, Burgel, DE (1979)
  • Offenbach (Main)-Burgel, DE (1976 - 1980)
  • Offenbach, DE (1977 - 1984)
  • Offenbach am Main, DE (1977 - 1984)
  • Offenbach-Burgel, DE (1979 - 1984)
  • Offenbach am Main-Burgel, DE (1976 - 1985)

Company Filing History:

goldMedal27 out of 260 
 
Cassella Aktiengesellschaft
 patents
silverMedal19 out of 49 
 
Cassella Farbwerke Mainkur Aktiengesellschaft
 patents
bronzeMedal17 out of 6,705 
 
Hoechst Aktiengesellschaft
 patents
4. 1 out of 1 
 
Farbwerke Hoechst Aktiengesellschaft
 patent

Years Active: 1976-1985

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Areas of Expertise:
Azo Dyestuff
Dyeing Process
Water-Soluble Dyestuffs
Polyester Dyeing
Cross-Linked Polymers
Aqueous Formulations
Phenothiazine
Dichloro-Pigments
Reactive Dyes
Synthetic Fibers
Azo Coupling
Textile Materials
64 patents (USPTO):Explore Patents
1. 4505856 - Azo dyestuff dischargeable to white (1985-03-19),
2. 4485042 - Dyestuff containing at least three azo bridges (1984-11-27),
3. 4476052 - Azo pigment having improved hiding power and a process for its (1984-10-09),
4. 4430090 - Process for coloring organic solvents, mineral oil products, waxes, (1984-02-07),
5. 4406661 - Process for dyeing and printing synthetic, hydrophobic fibre material (1983-09-27),
6. 4398913 - Process for producing discharge reserve prints on textile materials (1983-08-16),
7. 4348204 - Aqueous dyestuff formulation, a process for its preparation and its use (1982-09-07),
8. 4323363 - Dyeing of mixed fibers (1982-04-06),
9. 4314052 - Polyester which is soluble or dispersible in water, a process for its (1982-02-02),
10. 4313872 - Azo coupling in two-phase water-alcohol mixtures (1982-02-02),
11. 4302582 - Process for the preparation of a condensation product from phenothiazine (1981-11-24),
12. 4265629 - Process for the production of resist effects on polyester/cellulose (1981-05-05),
13. 4254026 - Water-soluble monoazo dyestuffs (1981-03-03),
14. 4252532 - Process for dyeing evenly synthetic fibrous materials (1981-02-24),
15. 4252530 - Process for dyeing and printing synthetic hydrophobic fiber material (1981-02-24),

Title: Joachim Ribka - Innovative Inventor from Offenbach am Main

Introduction: Joachim Ribka is a renowned inventor hailing from Offenbach am Main, Germany, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Joachim Ribka holds several patents in the areas of renewable energy, sustainable transportation, and smart city solutions, showcasing his commitment to creating a more environmentally friendly world.

Career Highlights: With a career spanning over two decades, Joachim Ribka has worked with leading research institutions and technology companies to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Joachim Ribka has collaborated with top engineers, scientists, and designers to bring his innovative ideas to life. His collaborative spirit has led to the successful implementation of numerous projects.

Conclusion: Joachim Ribka's passion for innovation and his dedication to creating a sustainable future have solidified his position as a visionary inventor in the global technology landscape.

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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