Higashihiroshima, Japan

Takuo Hirano

This inventor holds 5 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 2018-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuo Hirano. Retrieved from https://idiyas.com/inventor/takuo-hirano

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


% Patents Active = 40.0

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2018-2021

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5 patents (USPTO):Explore Patents

Title: Takuo Hirano: Innovator in Engine Control Technologies

Introduction

Takuo Hirano is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of internal combustion engine control technologies. With a total of 5 patents to his name, Hirano's work has had a considerable impact on automotive engineering.

Latest Patents

Hirano's latest patents include a method and device for controlling internal combustion engines. This innovative method defines operational areas for stoichiometric and lean combustion modes based on engine load and speed. The controller determines shifts between these modes using signals from an accelerator opening sensor and a crank angle sensor. Additionally, he has developed a control apparatus for engines that includes a variable valve timing mechanism. This apparatus allows for valve overlap during the intake stroke, enhancing engine efficiency by estimating exhaust gas temperatures.

Career Highlights

Hirano is currently employed at Mazda Motor Corporation, where he continues to advance engine control technologies. His work has been instrumental in improving engine performance and efficiency, aligning with the company's commitment to innovation in the automotive sector.

Collaborations

Hirano has collaborated with notable colleagues such as Chikako Ohisa and Osamu Sunahara. Their combined expertise has contributed to the development of advanced technologies in engine control.

Conclusion

Takuo Hirano's contributions to engine control technologies exemplify his innovative spirit and dedication to automotive engineering. His patents reflect a deep understanding of combustion processes and control mechanisms, making him a valuable asset to Mazda Motor Corporation and the industry as a whole.

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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