Ohmuta, Japan

Junji Izumi

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Rubber Co., Ltd.. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Izumi. Retrieved from https://idiyas.com/inventor/junji-izumi

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 = 2.4

ph-index = 2

Forward Citations = 120(Granted Patents)


Company Filing History:


Years Active: 1987-1990

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Biography of Inventor Junji Izumi

Introduction: Junji Izumi is a notable inventor based in Ohmuta, Japan. He has made significant contributions to the field of athletic footwear, particularly in the design and functionality of shoes for sports involving running. With a total of two patents to his name, Izumi's innovations focus on enhancing performance and comfort for athletes.

Latest Patents: Junji Izumi's latest patents include a "Shoe for Sports Involving Running" and an "Insole for Shoe." The shoe patent features an outer ground engaging sole, an inner foot engaging sole, and a midsole that incorporates a shock-absorbing member made of synthetic resin foam. This design aims to provide better cushioning and support during running activities. The insole patent consists of a layered structure with a shock-absorptive foamed material, designed to enhance comfort and performance in athletic shoes.

Career Highlights: Izumi has been associated with Nippon Rubber Co., Ltd., where he has played a crucial role in the development of innovative footwear technologies. His work has contributed to the advancement of athletic shoe design, focusing on both performance and user experience.

Collaborations: Throughout his career, Junji Izumi has collaborated with esteemed colleagues such as Yoshiharu Moronaga and Masasuke Harada. These collaborations have fostered a creative environment that has led to the successful development

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]
Loading…