Kyoto, Japan

Shunichi Hirao

This inventor holds 2 USPTO granted patents and 3 EPO patents. Top assignees: Aisin Seiki Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 2013-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunichi Hirao. Retrieved from https://idiyas.com/inventor/shunichi-hirao

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


% Patents Active = 50.0


Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2013-2015

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2 patents (USPTO):Explore Patents

Title: Innovations by Shunichi Hirao in Hybrid Vehicle Technology

Introduction

Shunichi Hirao is a prominent inventor based in Kyoto, Japan, known for his significant contributions to hybrid vehicle technology. With a total of two patents to his name, Hirao has focused on developing innovative control devices that enhance the efficiency and performance of hybrid vehicles. His work exemplifies the intersection of engineering and sustainability in the automotive industry.

Latest Patents

Hirao's latest patents showcase his expertise in hybrid vehicle control systems. The first patent, titled "Control Device for Hybrid Vehicle," includes a sophisticated mechanism that determines when engine torque is necessary and regulates the motor to achieve target torque levels. This device efficiently manages engine output during sudden starts or re-acceleration while maintaining proper control of the clutch and engine rotation speed.

The second patent, "Gear Shift Control Device for Hybrid Vehicle Drive System," outlines a system for managing gear shifts in hybrid vehicles. This innovative gear shift control device facilitates smooth transitions by reducing engine torque while generating assist torque through the motor generator. It ensures optimal performance during gear changes, enhancing the driving experience while maximizing energy efficiency.

Career Highlights

Throughout his career, Shunichi Hirao has made a remarkable impact in the automotive sector, having worked with notable companies such as Aisin Seiki Co., Ltd. and Mitsubishi Motors Corporation. His roles at these companies involved significant contributions to hybrid vehicle technologies, solidifying his reputation as a leading inventor in the field.

Collaborations

Hirao has also collaborated with esteemed colleagues in the industry, including Tomomitsu Terakawa and Yasuhiro Hosoi. These partnerships have allowed him to further explore and develop sophisticated automotive technologies, leading to advancements that continue to benefit the hybrid vehicle market.

Conclusion

Shunichi Hirao's innovations in hybrid vehicle technology reflect his dedication to advancing automotive engineering. With his patents on control devices and gear shift systems, he stands out as a key figure in the development of more efficient and sustainable hybrid vehicles. His contributions not only showcase his talent as an inventor but also highlight the importance of innovation in addressing contemporary 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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