Tokyo, Japan

Tomoaki Yamashita

This inventor holds 8 USPTO granted patents and 3 published patent applications and 5 EPO patents. Top assignees: Olympus Corporation, Mitsubishi Hitachi Power Systems, Ltd., Olympus Medical Systems Corporation. Active years: 2006-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoaki Yamashita. Retrieved from https://idiyas.com/inventor/tomoaki-yamashita

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 5.5

ph-index = 3

Forward Citations = 156(Granted Patents)


Location History:

  • Hachioji, JP (2006 - 2009)
  • Tokyo, JP (2013 - 2020)

Company Filing History:


Years Active: 2006-2020

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8 patents (USPTO):Explore Patents

Title: The Innovations of Tomoaki Yamashita

Introduction

Tomoaki Yamashita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of devices related to rolling bearings. With a total of 8 patents to his name, Yamashita's work has had a considerable impact on the industry.

Latest Patents

Yamashita's latest patents include a rolling bearing fatigue state prediction device and a rolling bearing fatigue state predicting method. These innovations provide a means to accurately predict the fatigue state of a rolling bearing, even when the direction of the load applied changes. The device features a load measurement unit that determines the magnitude and direction of the bearing load, a load applied region identification unit that identifies the region of load application, and a fatigue state prediction unit that predicts the fatigue state based on the obtained data. Another notable invention is a hydro dynamic bearing device, which consists of an upper and lower half of a main bearing. The upper half is lined with a low-strength metal, while the lower half has a circumferential groove. This design allows for the exposure of a high-strength bearing base metal, enhancing the device's performance.

Career Highlights

Throughout his career, Yamashita has worked with notable companies such as Olympus Corporation and Olympus Medical Systems Corporation. His experience in these organizations has contributed to his expertise in the field of engineering and innovation.

Collaborations

Yamashita has collaborated with several professionals in his field, including Toru Shinmura and Takahiko Mitani. These collaborations have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Tomoaki Yamashita's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry, showcasing the importance of innovation 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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