Kanagawa, Japan

Jun Takeyama

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Takeyama. Retrieved from https://idiyas.com/inventor/jun-takeyama-wmpgf5lh

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 = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Jun Takeyama: Innovator in Shaft Assembly Technology

Introduction

Jun Takeyama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design and manufacturing of shaft assemblies. His innovative approach has led to the development of a unique patent that enhances the functionality and efficiency of shaft assemblies.

Latest Patents

Takeyama holds a patent for a "Shaft assembly and manufacturing process thereof." This invention involves a shaft that features at least one small diameter portion along its axial direction. The shaft assembly includes at least one member that is mounted to the outer periphery of the small diameter portion, allowing for rotational and axial movement. The manufacturing process involves forming the member on a larger diameter portion of the shaft and subsequently moving it to the smaller diameter portion, where it is mounted through shrinkage. This innovative design improves the overall performance and adaptability of shaft assemblies.

Career Highlights

Jun Takeyama is associated with Hitachi, Ltd., a leading company in technology and engineering. His work at Hitachi has allowed him to apply his inventive skills in a practical setting, contributing to the company's reputation for innovation and quality. His patent reflects his commitment to advancing engineering solutions and enhancing product performance.

Collaborations

Takeyama has collaborated with notable colleagues, including Kunitsugu Tsukui and Hideo Koizumi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Jun Takeyama's contributions to shaft assembly technology exemplify the spirit of innovation in engineering. His patent not only showcases his inventive capabilities but also highlights the importance of collaboration in achieving technological advancements. His work continues to influence the field and inspire future innovations.

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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