Fujisawa, Japan

Satoshi Ushimaru

This inventor holds 1 USPTO granted patent. Top assignee: Nsk Corporation. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Ushimaru. Retrieved from https://idiyas.com/inventor/satoshi-ushimaru

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Satoshi Ushimaru: A Pioneer in Tapered Roller Bearings

Introduction: Satoshi Ushimaru, an accomplished inventor based in Fujisawa, Japan, has made significant contributions to the field of mechanical engineering. With a focus on designing better mechanisms for efficient machine operation, Ushimaru holds a notable patent that highlights his innovative spirit and technical expertise.

Latest Patents: Satoshi Ushimaru's sole patent describes a unique design for a tapered roller bearing. The invention features a cage that holds tapered rollers, with multiple pockets formed between a large-diameter annular part and a smaller-diameter annular part. The design also incorporates plural bar parts that axially connect the two annular components, ensuring substantial circumferential uniformity. The key innovation lies in the specified ratio of the cross-section modulus between the two parts of the cage, which ranges from 0.5 to 1.5, providing enhanced performance and durability.

Career Highlights: Satoshi Ushimaru's career is notably tied to NSK Corporation, a leader in bearing technology. His work has been instrumental in the company’s continued advancement in producing high-quality mechanical components essential for various applications across industries. Ushimaru's invention of the tapered roller bearing is a testament to his dedication to innovation and excellence in engineering.

Collaborations: Throughout his career, Ushimaru has collaborated closely with his coworker, Takashi Murai. Together, they have explored new designs and engineering processes that enable the development of cutting-edge technologies, advancing the field of mechanical engineering and furthering the objectives of NSK Corporation.

Conclusion: Satoshi Ushimaru's contributions to the design of tapered roller bearings exemplify the essence of innovation in engineering. Through his patent and collaboration with talented colleagues, Ushimaru continues to shape the future of mechanical components, ensuring that industries benefit from efficient and reliable products. His work serves as an inspiration for aspiring inventors aiming to make their mark in the world of 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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