Toyota, Japan

Masaru Shimizu

This inventor holds 9 USPTO granted patents and 2 EPO patents. Top assignees: Aisin Seiki Kabushiki Kaisha, Aisin Ai Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Shimizu. Retrieved from https://idiyas.com/inventor/masaru-shimizu-r35jgb0n

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


% Patents Active = 88.9


Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 108(Granted Patents)


Location History:

  • Shitamachi, JP (1995)
  • Aichi, JP (1996 - 1998)
  • Toyota, JP (1992 - 2008)

Company Filing History:


Years Active: 1992-2008

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9 patents (USPTO):Explore Patents

Title: **Masaru Shimizu: Innovator in Automotive Technology**

Introduction

Masaru Shimizu, an accomplished inventor based in Toyota, Japan, has made significant contributions to the field of automotive technology with a total of nine patents to his name. His innovative designs focus primarily on enhancing vehicle performance and safety, making him a notable figure in the automotive industry.

Latest Patents

Among his latest innovations, the first patent details a *transmission apparatus having a clutch*. This vehicle transmission system incorporates an engine that generates driving force and a transmission equipped with at least one input shaft, connectable to the engine, and an output shaft linked to a drive wheel. It is designed to establish multiple shift stages based on vehicle driving conditions while incorporating a clutch mechanism for efficient transmission control.

The second significant patent is a *throttle control apparatus* aimed at maintaining a vehicle's operational capacity during throttle system failures. This system utilizes a throttle-controlling ECU that calculates the throttle opening instruction from the accelerator stroke signal, thereby supplying current to a motor for throttle valve control. In the event of a system failure, the ECU adapts the engine's cylinder operation based on the driver’s accelerator pedal input, ensuring enhanced vehicle safety.

Career Highlights

Masaru Shimizu has held key positions in prominent automotive companies, including Aisin Seiki Co., Ltd. and Toyota Motor Corporation. His work in these organizations has significantly propelled advancements in vehicular technology, particularly in transmission and throttle systems, solidifying his reputation as an inventor of repute.

Collaborations

Throughout his career, Shimizu has collaborated with notable coworkers including Yoshinori Taguchi and Toru Fujikawa. Their collective expertise and innovative thinking have contributed to the successful development of various patented technologies in the automotive sector.

Conclusion

Masaru Shimizu stands out as a visionary in automotive innovation. His extensive work in transmission and throttle control systems has not only led to several patents but has also significantly advanced vehicle safety and operational efficiency. As he continues to innovate, his contributions to the automotive industry will undoubtedly leave a lasting impact.

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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