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For the Inventor, By the Inventor

Suwa, Japan

Shuji Ikukawa

This inventor holds 5 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuji Ikukawa. Retrieved from https://idiyas.com/inventor/shuji-ikukawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Suwa, JP (1993 - 1994)
  • Nagano, JP (1995)

Company Filing History:

goldMedal5 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 1993-1995

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5 patents (USPTO):Explore Patents
1. 5437815 - Tolan derivative, liquid crystal composition containing the derivative, (1995-08-01),
2. 5356558 - Tolane derivatives, liquid crystal compositions containing the (1994-10-18),
3. 5354502 - 1,3-dioxane derivative and liquid crystal compositions containing it (1994-10-11),
4. 5238599 - 1,3-dioxane derivatives, methods of preparation and liquid crystal (1993-08-24),
5. 5200110 - Pyrimidine derivatives and liquid crystal compositions including same (1993-04-06),

Title: The Innovations of Shuji Ikukawa

Introduction

Shuji Ikukawa is a prominent inventor based in Suwa, Japan. He has made significant contributions to the field of liquid crystal technology. With a total of 5 patents to his name, Ikukawa's work has had a substantial impact on the development of advanced display technologies.

Latest Patents

Ikukawa's latest patents include innovative developments in tolane derivatives and liquid crystal compositions. One of his notable inventions is a tolane derivative characterized by a specific formula where R represents a linear alkyl group with 1 to 10 carbon atoms. The compound is designed to enhance compatibility with other liquid crystal compounds. By blending this compound with ordinary liquid crystal materials, a composition is achieved that offers a broadened practical temperature range and increased double refraction anisotropy. Another patent focuses on a liquid crystal display device that incorporates this advanced composition, further showcasing Ikukawa's expertise in the field.

Career Highlights

Ikukawa is currently associated with Seiko Epson Corporation, a leading company in the technology sector. His work at Epson has allowed him to push the boundaries of liquid crystal technology, contributing to the development of high-performance display devices. His innovative approach and dedication to research have positioned him as a key figure in the industry.

Collaborations

Ikukawa has collaborated with notable colleagues, including Jitsuko Nakayama and Tsuyoshi Obikawa. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in liquid crystal technology.

Conclusion

Shuji Ikukawa's contributions to liquid crystal technology through his patents and work at Seiko Epson Corporation highlight his role as an influential inventor. His innovative developments continue to shape the future of 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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