Ichikawa, Japan

Hideo Nakatsumi

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., The Yokohama Rubber Co., Ltd.. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Nakatsumi. Retrieved from https://idiyas.com/inventor/hideo-nakatsumi

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 = 5.0

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1991-1992

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2 patents (USPTO):Explore Patents

Title: Hideo Nakatsumi: Innovator in Laminate Technology

Introduction

Hideo Nakatsumi is a notable inventor based in Ichikawa, Japan. He has made significant contributions to the field of laminate technology, particularly through his innovative patents. With a total of 2 patents, Nakatsumi has demonstrated his expertise and creativity in developing materials with unique functionalities.

Latest Patents

One of Nakatsumi's latest patents is a laminate having an indicator function. This laminate comprises an inner layer containing an acid/base indicator and an outer layer that does not contain any acid/base indicator. The inner layer is designed to undergo a color change upon contact with an acid or an alkali, providing a visual indication of pH changes. This innovation has potential applications in various industries, including packaging and safety.

Career Highlights

Throughout his career, Hideo Nakatsumi has worked with prominent companies such as The Yokohama Rubber Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in laminate technology.

Collaborations

Nakatsumi has collaborated with notable individuals in his field, including Morihisa Machida and Yoshio Tajima. These collaborations have likely enriched his work and led to further innovations in laminate materials.

Conclusion

Hideo Nakatsumi is a distinguished inventor whose work in laminate technology has led to valuable patents and collaborations. His innovative approach continues to influence the industry and pave the way for future advancements.

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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