Hamburg, Germany

Hans-Joachim Ritter

This inventor holds 3 USPTO granted patents. Top assignees: Koh-I-Noor Rapidograph, Inc., Mesne Koh-I-Noor Rapidograph, Inc.. Active years: 1980-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Ritter. Retrieved from https://idiyas.com/inventor/hans-joachim-ritter

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 2

Forward Citations = 37(Granted Patents)


Location History:

  • Hamburg, DE (1980 - 1985)
  • Kisdorf, DE (1987)

Company Filing History:


Years Active: 1980-1987

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hans-Joachim Ritter

Introduction

Hans-Joachim Ritter is a notable inventor based in Hamburg, Germany. He has made significant contributions to the field of writing instruments, holding a total of 3 patents. His innovative designs focus on enhancing the functionality and usability of pen holder devices.

Latest Patents

Ritter's latest patents include a unique pen holder device and a technical pen holder. The pen holder device features a pivotable design that allows the pen holder body to transition between an operational position and a readiness position. This design ensures that the pen is easily accessible while maintaining a stable center of gravity. The technical pen holder is designed to receive a tubular writing pen, incorporating a sealing element made of elastically deformable material. This element ensures a secure fit and enhances the overall user experience.

Career Highlights

Throughout his career, Hans-Joachim Ritter has worked with several companies, including Koh-i-noor Rapidograph, Inc. and Mesne Koh-i-noor Rapidograph, Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative writing solutions.

Collaborations

Ritter has collaborated with notable individuals in the industry, including Harald Hofmann and Axel Mikuteit. These partnerships have fostered a creative environment that has led to the development of his patented inventions.

Conclusion

Hans-Joachim Ritter's contributions to the field of writing instruments demonstrate his innovative spirit and dedication to enhancing user experience. His patents reflect a commitment to functionality and design, making him a significant figure in the world of inventions.

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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