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For the Inventor, By the Inventor

Gunma, Japan

Haruyoshi Kuwabara

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 1994-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruyoshi Kuwabara. Retrieved from https://idiyas.com/inventor/haruyoshi-kuwabara

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

USPTO Granted Patents = 5

% Patents Active = 80.0


Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Gunma, JP (1994 - 1995)
  • Gunma-ken, JP (2001 - 2004)

Company Filing History:

goldMedal5 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents

Years Active: 1994-2004

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5 patents (USPTO):Explore Patents
1. 6780674 - Liquid epoxy resin composition and semiconductor device (2004-08-24),
2. 6709756 - Optical device-related adhesive and optical device (2004-03-23),
3. 6306500 - Porous optical fiber base materials, optical fiber base materials and methods for producing them (2001-10-23),
4. 5382554 - High-packing silicon nitride powder and method for making (1995-01-17),
5. 5348919 - High-packing silicon nitride powder and method for making (1994-09-20),

Title: Haruyoshi Kuwabara: Innovator in Epoxy Resin and Semiconductor Technology

Introduction

Haruyoshi Kuwabara is a notable inventor based in Gunma-ken, Japan. He has made significant contributions to the field of epoxy resin compositions and semiconductor devices. With a total of 5 patents to his name, Kuwabara's work has had a substantial impact on the industry.

Latest Patents

Kuwabara's latest patents include a liquid epoxy resin composition and a semiconductor device. The liquid epoxy resin composition consists of a mixture of a liquid epoxy resin containing two or fewer epoxy functional groups and a solid epoxy resin with two or more epoxy functional groups. This composition is designed to be adherent to silicon chips, providing high resistance to humidity and thermal shocks, making it useful as a sealant for semiconductor devices. Another significant patent involves an optical device-related adhesive, which is a liquid epoxy resin composition suitable for bonding optical elements in optical devices.

Career Highlights

Kuwabara is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to innovate in the field of materials science. His work has been instrumental in developing advanced materials that enhance the performance and reliability of semiconductor devices.

Collaborations

Throughout his career, Kuwabara has collaborated with esteemed colleagues such as Akio Otsuka and Meguru Kashida. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Haruyoshi Kuwabara's contributions to epoxy resin technology and semiconductor devices highlight his role as a leading inventor in the industry. His innovative patents and collaborations continue to shape the future of materials science.

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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