Kanagawa, Japan

Tohru Maruyama

This inventor holds 2 USPTO granted patents. Top assignee: Ebara Corporation. Active years: 1994-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Maruyama. Retrieved from https://idiyas.com/inventor/tohru-maruyama-n2c5gguc

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 = 3.4

ph-index = 2

Forward Citations = 47(Granted Patents)


Location History:

  • Kanagawa, JP (1994)
  • Kanagawa-ken, JP (1998)

Company Filing History:


Years Active: 1994-1998

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2 patents (USPTO):Explore Patents

Title: Tohru Maruyama: Innovator in Spindle Motor Technology

Introduction

Tohru Maruyama is a distinguished inventor based in Kanagawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced spindle motor technologies. With a total of 2 patents to his name, Maruyama's work has had a notable impact on the industry.

Latest Patents

Maruyama's latest patents include a "Mounting structure for mounting a polygon mirror" and a "Spindle motor using dynamic pressure bearings." The mounting structure patent describes a system for securely attaching a polygon mirror to a rotating body, ensuring stability and balance over time. The spindle motor patent features an H-type pneumatic dynamic bearing that enhances durability against repeated starts and stops, showcasing Maruyama's innovative approach to engineering challenges.

Career Highlights

Throughout his career, Tohru Maruyama has been associated with Ebara Corporation, where he has applied his expertise in engineering to develop cutting-edge technologies. His work has not only advanced the company's product offerings but has also contributed to the broader field of mechanical engineering.

Collaborations

Maruyama has collaborated with notable colleagues such as Kazunori Hashimoto and Shunichi Aiyoshizawa. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Tohru Maruyama's contributions to spindle motor technology and his innovative patents reflect his dedication to engineering excellence. His work continues to influence the industry and inspire future advancements in 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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