Ikeda, Japan

Ryoichi Kitaoka

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2010-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Kitaoka. Retrieved from https://idiyas.com/inventor/ryoichi-kitaoka

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

Calculating rank

 

Average Co-Inventor Count = 5.5

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2010-2012

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2 patents (USPTO):Explore Patents

Title: Ryoichi Kitaoka: Innovator in Diesel Engine Technology

Introduction

Ryoichi Kitaoka is a notable inventor based in Ikeda, Japan. He has made significant contributions to the field of diesel engine technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of diesel engines, particularly in vehicles.

Latest Patents

Kitaoka's latest patents include a vehicle diesel engine and a control method for the same. This innovative diesel engine features a PM filter in its exhaust passage and a fuel injection valve that performs post fuel injection in addition to primary fuel injection. This design aims to maintain the purification performance of the PM filter. Additionally, the engine is equipped with an oil level sensor that detects the degree of dilution of engine oil. An indicator lamp alerts the driver when the oil needs to be changed, ensuring optimal engine performance. Another patent involves an abnormality detection apparatus for the oil level sensor, which records the output of the upper oil level detector before the engine starts and determines any abnormalities based on the readings after the engine has been started.

Career Highlights

Kitaoka is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His role at Toyota allows him to apply his innovative ideas and contribute to the development of advanced diesel engine technologies.

Collaborations

Throughout his career, Kitaoka has collaborated with talented coworkers, including Tatsuhisa Yokoi and Yasuo Harada. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the automotive industry.

Conclusion

Ryoichi Kitaoka's contributions to diesel engine technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of engine performance and efficiency, making him a valuable asset in the automotive 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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