Chiba, Japan

Hiroshi Endo

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Fuji Xerox Co., Ltd., Nippon Iron Powder Co. Ltd., Powdertech Co., Ltd.. Active years: 1990-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Endo. Retrieved from https://idiyas.com/inventor/hiroshi-endo-0rchf397

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1990-2011

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2 patents (USPTO):Explore Patents

Title: Hiroshi Endo: Innovator in Oxygen Detection and Electrophotographic Technology

Introduction

Hiroshi Endo is a notable inventor based in Chiba, Japan. He has made significant contributions to the fields of oxygen detection and electrophotographic technology. With a total of 2 patents to his name, Endo's work has had a lasting impact on product quality assurance and imaging technology.

Latest Patents

Endo's latest patents include an innovative oxygen detector sheet and an oxygen detecting agent using the same. The oxygen detecting device features a sheet carrier filled with a porous inorganic material that has been impregnated with an oxygen detecting fluid. This design is covered by a film that has a predetermined oxygen transmittance, ensuring excellent light resistance. As a result, the device maintains clear coloration recognition over extended periods, even under fluorescent lighting, making it ideal for checking the quality of commercial products. Another patent focuses on a magnetic carrier for developers used in electrophotographic copying machines. This carrier is composed of a specific composition with defined bulk density and magnetization, enhancing the efficiency of the copying process.

Career Highlights

Hiroshi Endo has worked with prominent companies such as Fuji Xerox Co., Ltd. and Nippon Iron Powder Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Throughout his career, Endo has collaborated with notable colleagues, including Hidekiyo Tachibana and Akihiko Noda. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroshi Endo's contributions to the fields of oxygen detection and electrophotographic technology highlight his innovative spirit and dedication to quality assurance. His patents reflect a commitment to enhancing product reliability and efficiency in various applications.

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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