Yokohama, Japan

Masako Harasawa

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Glass Company, Limited. Active years: 1995.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Masako Harasawa: Innovator in Recording Technology

Introduction

Masako Harasawa is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of recording technology, particularly through her innovative patent. As a woman in a predominantly male industry, her achievements serve as an inspiration to many aspiring inventors.

Latest Patents

Masako Harasawa holds a patent for a recording sheet and record. This invention comprises a substrate and a colorant absorbing layer made of a porous inorganic oxide, formed on the substrate. The colorant absorbing layer contains an organic acid with the first acid dissociation exponent of at most 5, which has an aromatic nucleus or at least two carboxyl groups. This innovative approach enhances the quality and efficiency of recording sheets.

Career Highlights

Masako is currently employed at Asahi Glass Company, Limited, where she continues to develop her ideas and contribute to advancements in recording technology. Her work has been recognized within the industry, and she is regarded as a valuable asset to her company.

Collaborations

Throughout her career, Masako has collaborated with notable colleagues, including Toshiya Matsubara and Toshihiro Tanuma. These partnerships have allowed her to expand her knowledge and expertise in the field.

Conclusion

Masako Harasawa's innovative spirit and dedication to her work have led to significant advancements in recording technology. Her patent and contributions to Asahi Glass Company, Limited highlight her role as a leading inventor in her field.

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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