Tokyo, Japan

Hideko Sakai

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Kasei Corporation. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideko Sakai. Retrieved from https://idiyas.com/inventor/hideko-sakai-i9188336

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 = 3.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Hideko Sakai and Her Work on Aromatic Polymers.

Introduction

Hideko Sakai is an inventor associated with Tokyo, Japan, and Mitsubishi Kasei Corporation. Her patent work concerns aromatic polyester and aromatic polyester-amide materials designed to combine heat resistance, fluidity, and mechanical strength.

Latest Patents

The available information identifies one patent associated with Sakai: “Aromatic polyester, aromatic polyester-amide and processes for producing.” The invention describes liquid-crystalline polymers that can be molded at temperatures of 350°C or below, particularly 320°C or below. Their properties include resistance to soldering heat, good flow during molding, high elastic modulus, and strong mechanical performance. The patent also describes potential uses in injection-molded articles, films, and fibers. Because the polymers can become molten at 320°C or below, they can also be drawn from a reaction vessel after melt polymerization using pressure or gravity. Sakai is credited with 1 patent in the information provided.

Career Highlights

Sakai’s listed work is connected to Mitsubishi Kasei Corporation and focuses on polymer materials with practical processing and performance advantages. The patent highlights how liquid crystallinity can support both moldability and mechanical strength in aromatic polymers.

Collaborations

The listed coworkers associated with this patent are Hiroshi Kamata and Osamu Kishiro.

Conclusion

Hideko Sakai’s documented patent contribution centers on aromatic polyester and aromatic polyester-amide materials intended for heat-resistant, mechanically strong, and versatile molded products.

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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