Kyoto, Japan

Hiroyuki Nagai

This inventor holds 5 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Nissha Co., Ltd., Labo Juversa Co., Ltd., Nissha Printing Co., Ltd.. Active years: 2013-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Nagai. Retrieved from https://idiyas.com/inventor/hiroyuki-nagai-m52d67m5

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2013-2024

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5 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Nagai

Introduction

Hiroyuki Nagai is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of edible films and microneedle technology. With a total of five patents to his name, Nagai's work showcases his innovative approach to solving practical problems in various industries.

Latest Patents

Nagai's latest patents include a method of producing edible film and a microneedle array. The edible film patent describes a process where an edible powder, formed of particles smaller than the film thickness, is kneaded with a predetermined component and an edible liquid. This mixture generates a plastic solid material that is extruded from a mold to create a specific cross-sectional shape. The solid material is then sliced to achieve a film with a predetermined thickness.

The microneedle array patent focuses on creating an inexpensive microneedle array with minimal dimensional error. This technology allows for precise control over the amount of a predetermined component introduced into the skin. The production method involves overlaying a foundation on a mold, fitting frustum-shaped protrusions into cone-shaped recesses, and drying the raw material liquid to fix dissolvable microneedles to the protrusions.

Career Highlights

Nagai has worked with notable companies such as Nissha Co., Ltd. and Labo Juversa Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.

Collaborations

Some of his coworkers include Masateru Chiyama and Risa Nakaoka. Their collaboration has likely played a role in advancing the projects they have worked on together.

Conclusion

Hiroyuki Nagai's contributions to the fields of edible films and microneedle technology highlight his innovative spirit and dedication to improving practical applications. His patents reflect a commitment to advancing technology for the benefit of society.

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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