Niigata, Japan

Tsuneo Maruyama

This inventor holds 29 USPTO granted patents and 8 EPO patents, primarily in Sintered Bearings. Top assignees: Diamet Corporation, Mitsubishi Materials Corporation, Asmo Co., Ltd.. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Maruyama. Retrieved from https://idiyas.com/inventor/tsuneo-maruyama

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


% Patents Active = 86.2

 

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 2003-2025

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Areas of Expertise:
Sintered Bearing
Manufacturing Method
Oil-Impregnated
Cu-Based
Sliding Member
Molding Die
Motor-Powered
Copper Alloy
Fuel Pump
Multilayer Molded Article
Bearing Design
29 patents (USPTO):Explore Patents

Title: Tsuneo Maruyama: Pioneering Innovator in Manufacturing Technology

Introduction:

Tsuneo Maruyama, a visionary inventor based in Niigata, JP, has made significant contributions to the field of manufacturing technology. With a total of 28 patents to his name, Maruyama's innovative approach has solidified his position as a trailblazer in the global landscape of innovation.

Latest Patents:

Maruyama's latest patents include the groundbreaking "Insert Sintered Part and Manufacturing Method for Same." This patent showcases his use of a unique forming die to integrate sintered parts with melted material, revolutionizing the process of insert molding in manufacturing.

Career Highlights:

Having showcased his inventive prowess, Tsuneo Maruyama has left a significant mark in renowned companies such as Diamet Corporation and Mitsubishi Materials Corporation. His tenure in these organizations has been marked by a commitment to pushing the boundaries of technology and fostering a culture of innovation.

Collaborations:

Throughout his career, Maruyama has collaborated with esteemed professionals in the industry, including noteworthy coworkers like Teruo Shimizu and Yoshinari Ishii. These collaborations have led to the development of cutting-edge solutions and cemented Maruyama's reputation as a collaborative inventor.

Conclusion:

In conclusion, Tsuneo Maruyama's passion for innovation and his unwavering dedication to pushing the boundaries of technology have cemented his legacy as a visionary inventor in the global landscape of innovation. His impactful patents and collaborations have significantly contributed to the advancement of manufacturing technology, making him a revered figure in the realm of inventors and innovators.

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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