Tokyo, Japan

Masaki Tomaru

This inventor holds 3 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignees: Fujikoki Corporation, Denso Corporation. Active years: 2000-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Tomaru. Retrieved from https://idiyas.com/inventor/masaki-tomaru-oe24ahk4

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 33.3


Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2000-2020

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masaki Tomaru

Introduction

Masaki Tomaru is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced control valves. With a total of 3 patents to his name, Tomaru's work has had a considerable impact on various industries.

Latest Patents

One of his latest inventions is the variable-capacity compressor control valve. This innovative valve is designed to suppress efficiency loss by minimizing leakage without requiring extreme precision in component manufacturing. It also aims to prevent operational failures and reduce the impact on sliding resistance and control characteristics. The valve features a flexible or elastic sealing member that effectively seals the gap between sliding surfaces when the valve orifice is closed.

Another significant patent is the pressure control valve. This valve utilizes a diaphragm to open and close a valve hole, thereby controlling fluid pressure through the main valve. It includes a non-return auxiliary valve that is coaxial with the main valve, enhancing its functionality. The design incorporates a cylindrical portion guided by a valve guard body, ensuring efficient operation.

Career Highlights

Throughout his career, Masaki Tomaru has worked with prominent companies such as Fujikoki Corporation and Denso Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Tomaru has collaborated with talented individuals in his field, including Sadatake Ise and Masaharu Itoh. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masaki Tomaru's contributions to the field of engineering through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and inspire future inventors.

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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