Chiba, Japan

Haruo Kato

This inventor holds 7 USPTO granted patents. Top assignees: Chisso Corporation, Kawasaki Steel Corporation. Active years: 1989-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Kato. Retrieved from https://idiyas.com/inventor/haruo-kato-1bkqt7xe

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 = 4.2

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Yokohama, JP (1990)
  • Yokohamashi, JP (1991)
  • Ichiharashi, JP (1993)
  • Ichihara, JP (2000 - 2003)
  • Chiba, JP (1989 - 2004)

Company Filing History:


Years Active: 1989-2004

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7 patents (USPTO):Explore Patents

Title: The Innovative Mind of Haruo Kato

Introduction

Haruo Kato, a distinguished inventor based in Chiba, Japan, has made significant contributions to the field of electronic materials through his innovative inventions. With a remarkable portfolio comprising seven patents, Kato has focused on enhancing the performance and reliability of liquid crystal display elements.

Latest Patents

Among his notable inventions, Kato's latest patents reveal a deep understanding of varnish compositions and alignment films crucial for electronic devices. One patent details a varnish composition designed to achieve a balance of electrical characteristics, including residual charge and voltage-holding ratio. This composition features a blend of polymer components, which include polyamide acids and soluble polyimides, providing optimal characteristics for liquid crystal alignment films. Another innovative patent addresses the development of a polyimide alignment film, exhibiting excellent electrical properties and reliability. This film is composed of a carefully blended polyamic acid composition, which yields enhanced performance in liquid crystal display elements.

Career Highlights

Throughout his career, Haruo Kato has worked with renowned companies such as Chisso Corporation and Kawasaki Steel Corporation. His experiences at these organizations have equipped him with the insights necessary to drive innovation in the field of electronic materials. Kato's dedication to improving liquid crystal technology has established him as a respected figure in the industry.

Collaborations

Kato's journey in innovation has been further enriched by collaborations with esteemed colleagues, including Shizuo Murata and Satoshi Tanioka. Working alongside these talented individuals, Kato has been able to refine his inventions and push the boundaries of what is possible in electronic materials.

Conclusion

Haruo Kato's profound impact on the electronic materials sector is exemplified through his patents and collaborative work. His commitment to advancing the understanding of liquid crystal technology positions him as a leading inventor in his field. As innovations continue to evolve, Kato's contributions will serve as a foundation for future developments in electronic materials.

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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