Shizuoka, Japan

Tsuyoshi Hirokawa

This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited. Active years: 2001-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Hirokawa. Retrieved from https://idiyas.com/inventor/tsuyoshi-hirokawa-uppbczkz

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

Calculating rank

% Patents Active = 80.0


Average Co-Inventor Count = 2.5

ph-index = 1


Location History:

  • Shizuoka, JP (2001 - 2020)
  • Haibara-gun, JP (2020)

Company Filing History:


Years Active: 2001-2020

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5 patents (USPTO):Explore Patents

Title: Tsuyoshi Hirokawa: Innovator in Lithographic Printing Technology

Introduction

Tsuyoshi Hirokawa is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of lithographic printing technology. With a total of 5 patents to his name, Hirokawa's work has advanced the capabilities and efficiency of printing processes.

Latest Patents

Hirokawa's latest patents include innovations in lithographic printing plate precursors and manufacturing methods. One of his key inventions provides a lithographic printing plate precursor that enhances image visibility and extends press life. This precursor consists of an aluminum support and an image recording layer, where the aluminum support features an anodized film with micropores that improve performance. Another patent focuses on a manufacturing method that ensures the resulting lithographic printing plate has a long tiny dot press life, characterized by specific surface properties that optimize printing quality.

Career Highlights

Throughout his career, Tsuyoshi Hirokawa has worked with prominent companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has allowed him to refine his expertise in lithographic printing technologies and contribute to innovative solutions in the industry.

Collaborations

Hirokawa has collaborated with talented individuals in his field, including Atsushi Matsuura and Ryo Nakamura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in printing.

Conclusion

Tsuyoshi Hirokawa's contributions to lithographic printing technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in printing processes, making him a significant figure in the industry.

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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