Ube, Japan

Midori Kawahara

This inventor holds 2 USPTO granted patents. Top assignee: Central Glass Company, Limited. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Midori Kawahara. Retrieved from https://idiyas.com/inventor/midori-kawahara

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 = 5.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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2 patents (USPTO):Explore Patents

Title: Midori Kawahara: Innovator in Modified Barium Titanate Ceramics.

Introduction

Midori Kawahara is a prominent inventor based in Ube, Japan. She has made significant contributions to the field of ceramics, particularly in the development of modified barium titanate materials. Her innovative work has led to the filing of multiple patents, showcasing her expertise and dedication to advancing technology.

Latest Patents

Kawahara holds 2 patents that focus on the production of modified barium titanate ceramics. One of her latest patents is a powder composition for sintering into modified barium titanate. This invention aims to produce a ceramic that is semiconductive, has a high breakdown voltage, low specific resistance at room temperature, and a high positive temperature coefficient (PTC) of resistance. The composition includes a mixture of various titanium oxides and dopants to achieve the desired properties. Another patent details a method for producing modified lead barium titanate ceramics, which exhibit a high positive temperature coefficient of resistivity (PTCR) at elevated temperatures. This method ensures good reproducibility and durability of the ceramic, making it suitable for use in PTC thermistors.

Career Highlights

Kawahara is currently associated with Central Glass Company, Limited, where she continues to innovate in the field of ceramics. Her work has not only advanced the understanding of barium titanate materials but has also contributed to practical applications in electronics and thermistors.

Collaborations

Throughout her career, Kawahara has collaborated with notable colleagues, including Noboru Murata and Hiroshi Ueda. These partnerships have fostered a collaborative environment that enhances research and development efforts.

Conclusion

Midori Kawahara's contributions to the field of modified barium titanate ceramics highlight her role as a leading inventor. Her innovative patents and collaborative efforts continue to influence advancements in ceramic 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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