Yamanashi, Japan

Kazuyoshi Umeya

This inventor holds 3 USPTO granted patents. Top assignee: Enomoto Co., Ltd.. Active years: 1994-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Umeya. Retrieved from https://idiyas.com/inventor/kazuyoshi-umeya

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Yamanashi, JP (1994)
  • Yamanashi-ken, JP (1997)

Company Filing History:


Years Active: 1994-1997

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3 patents (USPTO):Explore Patents

Title: Kazuyoshi Umeya: Innovator in Press Technology

Introduction

Kazuyoshi Umeya is a notable inventor based in Yamanashi-ken, Japan. He has made significant contributions to the field of press technology, holding a total of 3 patents. His innovative designs have advanced the efficiency and functionality of press machines.

Latest Patents

Umeya's latest patents include a press die set and a press machine designed for driving it. The press die set features a hollow cylindrical guide bush mounted on a punch holder, along with a cylindrical retainer and a columnar guide post. This design incorporates first right angle grooves and planar surfaces on the guide post, enhancing its operational capabilities. Additionally, the press machine includes a circumferential groove with unique beveled sides that form an acute angle to the bottom, ensuring optimal performance during use.

Career Highlights

Throughout his career, Umeya has demonstrated a commitment to innovation in manufacturing technology. His work has not only improved existing systems but has also paved the way for new applications in the industry. His patents reflect a deep understanding of mechanical engineering and design principles.

Collaborations

Umeya has collaborated with notable colleagues such as Nobuo Enomoto and Toshio Wada. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Kazuyoshi Umeya's contributions to press technology exemplify the spirit of innovation. His patents and collaborative efforts continue to influence the industry, showcasing the importance of creativity in engineering.

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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