Okazaki, Japan

Masao Murai

This inventor holds 1 USPTO granted patent. Top assignees: Koyo Seiko Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Murai. Retrieved from https://idiyas.com/inventor/masao-murai-01cf7gz0

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 = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Masao Murai - Innovator in Power Steering Technology

Introduction

Masao Murai is a notable inventor from Okazaki, Japan, recognized for his contributions to automotive technology. He holds a patent for a power steering system that enhances vehicle maneuverability and driver comfort. His innovative approach has made a significant impact in the automotive industry.

Latest Patents

Murai's patent, titled "Power Steering System," includes a comprehensive design that features an input shaft coupled to a steering wheel and a torsion bar for transmitting rotation to an output shaft. The system incorporates a power cylinder, an oil path switching valve, and both high and low-pressure oil paths to manage the flow of working oil. Additionally, it includes a reaction piston to limit the turning angle difference between the input and output shafts, along with a pressure control valve and a solenoid for precise control based on vehicle speed. This invention is a testament to Murai's engineering expertise and understanding of automotive dynamics. He holds 1 patent.

Career Highlights

Throughout his career, Masao Murai has worked with prominent companies in the automotive sector. He has been associated with Mitsubishi Motors Corporation and Koyo Seiko Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in automotive technology.

Collaborations

Murai has collaborated with talented individuals in the field, including Hiroshi Yoshida and Hajime Kozuka. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Masao Murai's contributions to the power steering system exemplify his dedication to innovation in the automotive industry. His work continues to influence vehicle design and functionality, showcasing the importance of inventive minds in advancing technology.

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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