Nagoya, Japan

Kouji Yokota

This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 1980-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Yokota. Retrieved from https://idiyas.com/inventor/kouji-yokota

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 = 5.5

ph-index = 5

Forward Citations = 146(Granted Patents)


Company Filing History:


Years Active: 1980-1983

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5 patents (USPTO):Explore Patents

Title: Kouji Yokota: Innovator in Exhaust Gas Purification and Ignition Technology

Introduction

Kouji Yokota is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of automotive technology, particularly in exhaust gas purification and ignition systems. With a total of 5 patents to his name, Yokota's work has had a substantial impact on improving vehicle emissions and performance.

Latest Patents

Yokota's latest patents include a catalyst for purifying exhaust gases and a self-heating ignition plug. The catalyst is designed to reduce nitrogen oxides, carbon monoxide, and hydrocarbons, which are harmful components in exhaust gases from internal combustion engines. It features a carrier made of refractory material in a honeycomb structure, along with a porous layer of zirconium oxide and a catalyst ingredient that includes cerium oxide and precious metals like platinum and palladium. The self-heating ignition plug incorporates a base portion with a fixing portion and an ignition means that utilizes a catalyst to ignite fuel efficiently. This innovative design allows for the fuel to be ignited and burned effectively, enhancing overall engine performance.

Career Highlights

Kouji Yokota is associated with Kabushiki Kaisha Toyota Chuo Kenkyusho, where he has been instrumental in developing advanced automotive technologies. His work has not only contributed to the company's reputation for innovation but has also played a crucial role in addressing environmental concerns related to vehicle emissions.

Collaborations

Yokota has collaborated with notable colleagues, including Yoshiyasu Fujitani and Hideaki Muraki. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the automotive sector.

Conclusion

Kouji Yokota's contributions to automotive technology, particularly in exhaust gas purification and ignition systems, highlight his role as a key innovator in the industry. His patents reflect a commitment to enhancing vehicle performance while addressing environmental challenges.

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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