Hiratsuka, Japan

Masako Yamakawa

This inventor holds 8 USPTO granted patents and 2 published patent applications and 6 EPO patents. Top assignees: Mitsubishi Gas Chemical Company, Inc., Japan Pionics Co., Ltd.. Active years: 1997-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masako Yamakawa. Retrieved from https://idiyas.com/inventor/masako-yamakawa

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

USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Hiratsuka, JP (1997 - 2018)
  • Kanagawa, JP (2019)

Company Filing History:


Years Active: 1997-2019

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8 patents (USPTO):Explore Patents

Title: Masako Yamakawa: Innovator in Resist Composition Technology

Introduction

Masako Yamakawa is a prominent inventor based in Hiratsuka, Japan. She has made significant contributions to the field of resist composition technology, holding a total of 8 patents. Her work focuses on developing materials that enhance the performance and efficiency of resist patterns used in various applications.

Latest Patents

Yamakawa's latest patents include innovative formulations for resist compositions. One of her notable inventions is a resist composition that exhibits excellent heat resistance, high solubility in safe solvents, and high sensitivity. This composition is designed to impart a good shape to resist patterns, making it highly valuable in the industry. Another patent describes a resist composition that includes a polyphenolic compound and an alcoholic compound derived from it, further advancing the capabilities of resist pattern formation.

Career Highlights

Throughout her career, Masako Yamakawa has worked with leading companies in the chemical and electronics sectors. She has been associated with Mitsubishi Gas Chemical Company, Inc. and Japan Pionics Co., Ltd., where she has contributed her expertise in developing advanced materials for various applications.

Collaborations

Yamakawa has collaborated with notable professionals in her field, including Masatoshi Echigo and Yasuhiko Koiso. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in resist compositions.

Conclusion

Masako Yamakawa's contributions to resist composition technology highlight her role as a leading inventor in her field. Her innovative patents and collaborations with industry professionals continue to influence advancements in material 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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