Yokohama, Japan

Sigeo Kawamura

This inventor holds 2 USPTO granted patents. Top assignees: Japan Synthetic Rubber Co., Ltd., Sharp Corporation. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeo Kawamura. Retrieved from https://idiyas.com/inventor/sigeo-kawamura

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 = 7.0

ph-index = 2

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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2 patents (USPTO):Explore Patents

Title: Sigeo Kawamura: Innovator in Liquid Crystal Technology

Introduction

Sigeo Kawamura is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 2 patents. His work has advanced the development of liquid crystal aligning agents and display devices, which are essential in modern display technologies.

Latest Patents

Kawamura's latest patents include a liquid crystal aligning agent and a liquid crystal display device. The liquid crystal aligning agent comprises a polyamic acid containing an aliphatic and/or alicyclic hydrocarbon group, along with a polyimide that also contains similar hydrocarbon groups. This innovative aligning agent produces a liquid crystal aligning film with excellent aligning properties. It allows for the pretilt angle to be adjusted through radiation with minimal energy, making it suitable for domain-divided alignment type liquid crystal displays that offer a wide viewing angle.

Career Highlights

Throughout his career, Sigeo Kawamura has worked with prominent companies such as Japan Synthetic Rubber Co., Ltd. and Sharp Corporation. His experience in these organizations has contributed to his expertise in liquid crystal technologies and has facilitated his innovative work in the field.

Collaborations

Kawamura has collaborated with notable colleagues, including Shigeaki Mizushima and Noriko Watanabe. These partnerships have likely enriched his research and development efforts, leading to advancements in liquid crystal technology.

Conclusion

Sigeo Kawamura's contributions to liquid crystal technology through his patents and collaborations highlight his role as an influential inventor in this field. His work continues to impact the development of advanced display technologies.

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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