Nagano, Japan

Toshihiko Miyakoshi

This inventor holds 3 USPTO granted patents. Top assignees: Sankyo Seiki Mfg. Co., Ltd, Kabushiki Kaisha Sankyo Seiki Seisakusho. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Miyakoshi. Retrieved from https://idiyas.com/inventor/toshihiko-miyakoshi

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 = 4.0

ph-index = 3

Forward Citations = 16(Granted Patents)


Location History:

  • Shimosuwa-machi, JP (1997)
  • Nagano, JP (1997 - 1998)

Company Filing History:


Years Active: 1997-1998

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toshihiko Miyakoshi

Introduction

Toshihiko Miyakoshi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of engineering, particularly in the development of sealing devices for motors. With a total of 3 patents to his name, Miyakoshi's work showcases his dedication to innovation and problem-solving in mechanical design.

Latest Patents

Miyakoshi's latest patents include a sealing device for use in a motor and a bearing device with a primary and secondary magnetic fluid sealing. The first patent describes a sealing device that maintains a shaft and a frame interconnected by a bearing. This device incorporates a magnetic-fluid-sealing mechanism that prevents particles and fluids from escaping the bearing. Additionally, it features a collecting device that captures any particles and fluids that may escape the magnetic-fluid-sealing device. The second patent outlines a bearing device that utilizes a two-layered magnetic fluid seal, enhancing the protection of the motor's internal components.

Career Highlights

Throughout his career, Toshihiko Miyakoshi has worked with reputable companies such as Sankyo Seiki Mfg. Co., Ltd and Kabushiki Kaisha Sankyo Seiki Seisakusho. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Miyakoshi has collaborated with talented individuals in his field, including Masamichi Hayakawa and Masato Gomyo. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Toshihiko Miyakoshi's contributions to the field of engineering through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the design and functionality of motor sealing devices, showcasing the impact of his inventions on the industry.

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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