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For the Inventor, By the Inventor

Ichihara, Japan

Hideo Yamaoka

This inventor holds 9 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Yamaoka. Retrieved from https://idiyas.com/inventor/hideo-yamaoka

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 53(Granted Patents)


Location History:

  • Ichihara, JP (1990 - 1994)
  • Sodegaura, JP (1994)
  • Kimitsu, JP (1994)

Company Filing History:

goldMedal9 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents

Years Active: 1990-1994

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9 patents (USPTO):Explore Patents
1. 5346646 - Tetralin compound, liquid crystal material, liquid crystal composition (1994-09-13),
2. 5322639 - Carboxylic acid ester compound, liquid crystal material, liquid crystal (1994-06-21),
3. 5294366 - Carboxylate compounds, liquid crystal compositions containing said (1994-03-15),
4. 5290877 - Information recording medium and adhesive composition therefor (1994-03-01),
5. 5188875 - Information recording medium and adhesive composition therefor (1993-02-23),
6. 5143644 - Carboxylic acid ester compounds, and their related matters and method of (1992-09-01),
7. 5141668 - Naphthalene compound and liquid crystal composition containing the same (1992-08-25),
8. 5053164 - Substituted naphthalene compounds and liquid crystal compositions (1991-10-01),
9. 4943651 - Novel substitued naphthalene compounds and liquid crystal compositions (1990-07-24),

Title: Hideo Yamaoka: Innovator in Liquid Crystal Technology

Introduction

Hideo Yamaoka is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of nine patents. His work focuses on developing innovative materials that enhance the performance of liquid crystal elements.

Latest Patents

Yamaoka's latest patents include a tetralin compound, a liquid crystal material, and a liquid crystal composition. The tetralin compound is represented by a specific formula that showcases its unique chemical structure. Additionally, his carboxylic acid ester compound is designed for use as an antiferroelectric liquid crystal material. This compound demonstrates excellent properties for high-speed switching in liquid crystal elements, making it a valuable advancement in the industry.

Career Highlights

Hideo Yamaoka is associated with Mitsui Petrochemical Industries, Ltd., where he continues to innovate in the field of liquid crystals. His expertise and dedication have positioned him as a key figure in the development of advanced liquid crystal technologies.

Collaborations

Yamaoka has collaborated with notable coworkers, including Shinichi Nishiyama and Tooru Yamanaka. Their combined efforts contribute to the ongoing advancements in liquid crystal research and development.

Conclusion

Hideo Yamaoka's contributions to liquid crystal technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to pave the way for future innovations in liquid crystal applications.

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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