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For the Inventor, By the Inventor

Suwa, Japan

Jitsuko Nakayama

This inventor holds 4 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jitsuko Nakayama. Retrieved from https://idiyas.com/inventor/jitsuko-nakayama

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

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

Company Filing History:

goldMedal4 out of 34,238 
 
Seiko Epson Corporation
 patents

Years Active: 1993-1995

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4 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),

Title: Jitsuko Nakayama: Innovator in Liquid Crystal Technology

Introduction

Jitsuko Nakayama is a prominent inventor based in Suwa, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 4 patents. His work focuses on developing innovative compounds that enhance the performance of liquid crystal displays.

Latest Patents

Among his latest patents are advancements in tolan derivatives and liquid crystal compositions. One notable patent describes a tolan derivative characterized by a specific formula where R represents a linear alkyl group with 1 to 10 carbon atoms. The composition is designed to be compatible with other liquid crystal compounds, allowing for a broadened practical temperature range and increased double refraction anisotropy. Another patent details a liquid crystal display device that incorporates this innovative composition, further enhancing display performance.

Career Highlights

Jitsuko Nakayama has dedicated his career to advancing liquid crystal technology. His work at Seiko Epson Corporation has positioned him as a key figure in the development of new materials that improve the functionality of liquid crystal displays. His patents reflect a deep understanding of the chemical properties and applications of liquid crystals.

Collaborations

Throughout his career, Nakayama has collaborated with notable colleagues such as Shuji Ikukawa and Tsuyoshi Obikawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of liquid crystal technology.

Conclusion

Jitsuko Nakayama's contributions to liquid crystal technology through his patents and collaborations have significantly impacted the industry. His innovative work continues to pave the way for advancements in display 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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