Minneapolis, MN, United States of America

Vurnen J Leonard

This inventor holds 6 USPTO granted patents. Top assignees: 3M Innovative Properties Company, Sony Corporation. Active years: 1986-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Vurnen J Leonard. Retrieved from https://idiyas.com/inventor/vurnen-j-leonard

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 95(Granted Patents)


Location History:

  • Saint Paul, MN (US) (1989)
  • Minneapolis, MN (US) (1986 - 1990)

Company Filing History:


Years Active: 1986-1990

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6 patents (USPTO):Explore Patents

Title: **Vurnen J Leonard: Innovator in Magnetic Recording Technology**

Introduction

Vurnen J Leonard is a notable inventor based in Minneapolis, MN, who has made significant contributions to the field of magnetic recording technology. With a total of six patents to his name, Leonard has demonstrated a keen ability to innovate and improve existing products.

Latest Patents

One of Leonard's latest patents is for a magnetic recording disk cartridge, which is designed with a generally square shape. This innovative cartridge includes at least one air filter positioned in a corner, along with a circular rib that is adjacent to the disk and situated between the disk and the filter. Moreover, the design features a radial rib connected to the circular rib, aimed at enhancing airflow towards the filter. Leonard's approach allows air filters to be positioned in each corner of the cartridge, each supported by corresponding circular and radial ribs to facilitate air flow.

Career Highlights

Throughout his career, Vurnen J Leonard has worked with prominent organizations, including the Minnesota Mining and Manufacturing Company and Sony Corporation. His experiences at these innovative companies have helped shape his career and contribute to his success as an inventor.

Collaborations

Leonard has collaborated with notable professionals, including Arthur K Kato and Osamu Koizumi. These partnerships underscore the collaborative spirit of innovation that often leads to groundbreaking advancements in technology.

Conclusion

Vurnen J Leonard’s impressive portfolio of patents and his work with leading companies in the technology sector illustrate his commitment to enhancing magnetic recording technology. His innovative designs continue to influence the industry, paving the way for future advancements in the field.

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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