Ibaraki, Japan

Shinji Tsuchikawa

This inventor holds 14 USPTO granted patents and 7 published patent applications and 4 EPO patents. Top assignees: Hitachi Chemical Company, Ltd., Showa Denko Materials Co., Ltd.. Active years: 1995-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Tsuchikawa. Retrieved from https://idiyas.com/inventor/shinji-tsuchikawa

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

USPTO Granted Patents = 14 

% Patents Active = 64.3

 

Average Co-Inventor Count = 4.7

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Hitachi, JP (1995)
  • Ibaraki-ken, JP (2003 - 2006)
  • Shimodate, JP (2007)
  • Ibaraki, JP (2013 - 2020)
  • Tokyo, JP (2020 - 2023)

Company Filing History:


Years Active: 1995-2023

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14 patents (USPTO):Explore Patents

Title: Innovations of Shinji Tsuchikawa

Introduction

Shinji Tsuchikawa is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced substrates for semiconductor applications. With a total of 14 patents to his name, Tsuchikawa's work is recognized for its innovative approach to enhancing the performance and reliability of electronic components.

Latest Patents

Tsuchikawa's latest patents include a prepreg for coreless substrates and a coreless substrate and semiconductor package. The prepreg is designed to meet the stringent requirements of heat resistance, low thermal expansion, and bonding strength with metal circuits. It features a thermosetting resin composition that includes dicyandiamide, a tertiary phosphine-quinone adduct, and an amine compound with multiple primary amino groups. Additionally, his inventions encompass a laminated sheet, printed wiring board, and methods for producing coreless substrates, showcasing his expertise in creating high-performance materials for the electronics industry.

Career Highlights

Throughout his career, Tsuchikawa has worked with notable companies such as Hitachi Chemical Company, Ltd. and Showa Denko Materials Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in material technology.

Collaborations

Some of Tsuchikawa's coworkers include Tomohiko Kotake and Hikari Murai. Their collaborative efforts have further advanced the research and development of innovative materials in the semiconductor field.

Conclusion

Shinji Tsuchikawa's contributions to the field of materials science and his impressive portfolio of patents highlight his role as a leading inventor in Japan. His work continues to influence the development of advanced electronic components, ensuring enhanced performance and reliability 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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