Tokyo, Japan

Nao Umemura

This inventor holds 1 USPTO granted patent. Top assignee: Pentel Kabushiki Kaisha. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nao Umemura. Retrieved from https://idiyas.com/inventor/nao-umemura

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 = 1.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2023

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1 patent (USPTO):Explore Patents

Title: Nao Umemura: Innovator in Mechanical Pencil Design

Introduction

Nao Umemura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of writing instruments, particularly through his innovative designs. His work has garnered attention for its practicality and functionality.

Latest Patents

Umemura holds a patent for a mechanical pencil, showcasing his expertise in creating tools that enhance the writing experience. This invention reflects his commitment to improving everyday items through thoughtful design.

Career Highlights

Nao Umemura is currently associated with Pentel Kabushiki Kaisha, a well-respected company in the stationery industry. His role there allows him to further develop his ideas and bring innovative products to market.

Conclusion

Nao Umemura's contributions to the mechanical pencil design highlight his inventive spirit and dedication to enhancing writing tools. His work continues to influence the stationery industry 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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