Osaka, Japan

Hiroyuki Shiraki

This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignees: Takeda Chemical Industries, Inc., Mitsui Takeda Chemicals, Inc., Mitsui Takeda Chemical Inc.. Active years: 1985-2024.

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

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

USPTO Granted Patents = 10 

% Patents Active = 90.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 90(Granted Patents)


Location History:

  • Kobe, JP (1985 - 1995)
  • Osaki, JP (2006)
  • Osaka, JP (1999 - 2024)

Company Filing History:


Years Active: 1985-2024

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10 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Shiraki

Introduction

Hiroyuki Shiraki is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of thermosetting resin compositions and adhesive technologies. With a total of 10 patents to his name, Shiraki's work has had a substantial impact on various industries.

Latest Patents

Shiraki's latest patents include a range of innovative products such as a thermosetting resin composition, metal-clad laminated plates, insulating sheets, and printed wiring boards. His thermosetting resin composition features a unique formulation that includes a thermosetting resin component and silica treated with isocyanate. The silica content is ideally between 50% to 300% by mass relative to the thermosetting resin component. Additionally, his composition may contain core shell rubber, enhancing its properties. Another notable patent involves an aqueous emulsion composition designed for high adhesion strength across various materials, ensuring stability and effective bonding.

Career Highlights

Throughout his career, Shiraki has worked with notable companies such as Takeda Chemical Industries, Inc. and Mitsui Takeda Chemicals, Inc. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.

Collaborations

Shiraki has collaborated with esteemed colleagues, including Takashi Uchida and Tsutomu Tawa. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Hiroyuki Shiraki's contributions to the field of materials science through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence various industries, showcasing the importance of innovation in technology.

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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