Nara, Japan

Satoshi Hatakeyama

This inventor holds 1 USPTO granted patent. Top assignee: Koyo Seiko Company, Ltd.. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Hatakeyama. Retrieved from https://idiyas.com/inventor/satoshi-hatakeyama-6wyzc6ag

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: **Innovative Contributions of Satoshi Hatakeyama in Electric Power Steering Mechanisms**

Introduction

Satoshi Hatakeyama, an accomplished inventor based in Nara, Japan, has made significant strides in the automotive technology sector. Known for his innovative designs and engineering solutions, Hatakeyama has garnered attention for his work in the realm of electric power steering apparatus.

Latest Patents

Hatakeyama holds a patent for a "Ball Screw Mechanism for Electric Power Steering Apparatus". This invention features a unique design where two ball circulating holes are bored midway along a screw groove on the inner circumference of a ball nut. The intermediate groove path established between the two holes serves as a track for circulating balls, while other ranges provide additional outer tracks that are not used for ball circulation. Notably, the depth of the intermediate groove path exceeds that of the outer tracks, which creates steps that effectively prevent the balls from flowing into the outer paths. This design enhances the efficiency and reliability of electric power steering systems.

Career Highlights

Satoshi Hatakeyama is currently employed at Koyo Seiko Company, Ltd., a prominent player in the automotive parts industry. His contributions have played a vital role in advancing the company's technology in steering mechanisms. The successful patent reflects his dedication to engineering excellence and innovation.

Collaborations

Throughout his career, Hatakeyama has collaborated with esteemed colleagues, including Masato Mizuhara and Tetsuya Murakami. Their combined expertise and teamwork have been instrumental in the development and refinement of cutting-edge technology in electric power steering systems.

Conclusion

Satoshi Hatakeyama's inventive spirit and engineering capabilities highlight the importance of innovation in the automotive industry. His patent for the ball screw mechanism is a testament to his commitment to improving the functionality and safety of electric power steering apparatus. As the industry continues to evolve, contributions from inventors like Hatakeyama will remain crucial for driving future advancements.

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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