Mito, Japan

Ishii Toshio

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ishii Toshio. Retrieved from https://idiyas.com/inventor/ishii-toshio

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: The Innovations of Ishii Toshio

Introduction

Ishii Toshio is a notable inventor based in Mito, Japan. He has made significant contributions to the field of engineering, particularly in the area of turbocharger technology. His innovative approach has led to the development of a unique control apparatus that enhances the efficiency of internal combustion engines.

Latest Patents

Ishii Toshio holds a patent for a control apparatus for a waste gate valve of a turbocharger. This invention generates a signal for controlling the opening of the waste gate valve based on the throttle valve's position and the engine's revolutions. The system corrects the basic amount of signal to ensure that the actual mass flow rate of intake air aligns with the desired value. This innovation allows for the omission of a temperature sensor that is typically used for controlling the waste gate, thereby simplifying the system.

Career Highlights

Toshio is currently employed at Hitachi, Ltd., where he continues to work on advancements in turbocharger technology. His expertise and innovative mindset have made him a valuable asset to the company. His work not only contributes to the efficiency of engines but also aligns with the growing demand for more sustainable automotive technologies.

Collaborations

Toshio collaborates with Yasunori Mouri, a fellow engineer at Hitachi, Ltd. Together, they work on various projects that aim to push the boundaries of current automotive technologies.

Conclusion

Ishii Toshio's contributions to turbocharger technology exemplify the spirit of innovation in engineering. His patent for a control apparatus demonstrates his commitment to improving engine efficiency and reducing complexity in automotive systems. His work continues to influence the industry and pave the way for future advancements.

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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