Toyota, Japan

Masazumi Onishi

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Nachi - Fujikoshi Corporation. Active years: 1995-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masazumi Onishi. Retrieved from https://idiyas.com/inventor/masazumi-onishi

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 = 4.2

ph-index = 4

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1995-2004

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

Title: Masazumi Onishi: Innovator in Fuel Cell Technology and Manufacturing

Introduction

Masazumi Onishi is a prominent inventor based in Toyota, Japan. He has made significant contributions to the fields of fuel cell technology and manufacturing processes. With a total of 10 patents to his name, Onishi's work has had a substantial impact on the industry.

Latest Patents

Onishi's latest patents include a fuel cell gas separator and a method for manufacturing an endless metallic belt. The fuel cell gas separator features a substrate portion with a predetermined concave-convex shape, an underlying coating layer, a first coating layer made from a noble metal, and a second coating layer formed from a conductive carbon material. This innovative design ensures high corrosion resistance and protects the underlying layers. Additionally, his method for manufacturing an endless metallic belt involves a shot peening treatment that adjusts the circumferential length of the belt, enhancing its durability and performance.

Career Highlights

Throughout his career, Onishi has worked with notable companies such as Toyota Motor Corporation and Nachi-Fujikoshi Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Onishi has collaborated with esteemed colleagues, including Hideo Aihara and Noritaka Miyamoto. Their combined expertise has fostered a creative environment that has led to groundbreaking inventions.

Conclusion

Masazumi Onishi's contributions to fuel cell technology and manufacturing processes highlight his role as a leading inventor in the industry. His innovative patents and collaborations continue to influence advancements in technology.

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…