Toyota, Japan

Suminobu Ootsubo

This inventor holds 2 USPTO granted patents. Top assignees: Nippondenso Co., Ltd., Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1978-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Suminobu Ootsubo. Retrieved from https://idiyas.com/inventor/suminobu-ootsubo

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 = 6.5

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1978-1979

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2 patents (USPTO):Explore Patents

Title: Suminobu Ootsubo: Innovator in Engine Technology

Introduction

Suminobu Ootsubo is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engine technology. With a total of 2 patents, his work focuses on improving engine efficiency and performance.

Latest Patents

Ootsubo's latest patents include a "Thermostatic valve for intake air temperature compensation for internal combustion engines." This innovative valve features a housing with multiple openings that interact with a temperature sensor and a valve element, allowing for precise control of air intake based on temperature changes. Another significant patent is the "Temperature responsive device for internal combustion engines," which introduces warmed air to the engine and regulates the air-fuel mixture to prevent excessive richness.

Career Highlights

Throughout his career, Suminobu Ootsubo has worked with prominent companies such as Nippondenso Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in automotive technology.

Collaborations

Ootsubo has collaborated with notable coworkers, including Hajime Akado and Yoshiro Uchida. Their combined expertise has fostered innovation and development in engine technology.

Conclusion

Suminobu Ootsubo's contributions to engine technology through his patents and collaborations highlight his role as a key innovator in the automotive industry. His work continues to influence the design and efficiency of internal combustion engines.

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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