Naoko Mikami

This inventor holds 13 USPTO granted patents, primarily in Liquid Crystal Technology. Top assignees: Ajinomoto Co., Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1986-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoko Mikami. Retrieved from https://idiyas.com/inventor/naoko-mikami

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

Calculating rank

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 242(Granted Patents)

Location History:

Yokohama, JP (1986 - 1992)
Kanagawa, JP (1992)
Kawasaki, JP (1989 - 1995)

Company Filing History:

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 1986-1995

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Areas of Expertise:

Ferroelectric Liquid Crystal

Liquid Crystal Compositions

Aligning Agent

Polyphenyl-based Esters

Biphenyl Compounds

Optically Active Compounds

Smectic Liquid Crystals

Phenyl Pyrimidine Compounds

N-long Chain Acyl Esters

Poly Alpha-amino Acids

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5403511 - Ferroelectric liquid crystal composition and ferroelectric liquid (1995-04-04),

2. 5334713 - N-long chain acyl neutral amino acid esters (1994-08-02),

3. 5101011 - Aligning agent for liquid crystals comprising poly alpha-amino acid (1992-03-31),

4. 5100579 - Polyphenyl-based ester compounds and liquid crystal compositions (1992-03-31),

5. 4911861 - Polyphenyl-based ester compounds and liquid crystal compositions (1990-03-27),

6. 4892676 - Phenyl pyrimidine compound and liquid crystalline composition (1990-01-09),

7. 4880561 - Optically active compound and liquid crystalline composition (1989-11-14),

8. 4874542 - Phenyl-pyrimidine liquid crystal compounds and liquid crystal (1989-10-17),

9. 4831182 - Biphenyl-based diester compounds and liquid crystal compositions (1989-05-16),

10. 4732699 - Biphenyl carbonic acid ester compounds and liquid crystal composition (1988-03-22),

11. 4728458 - Polyphenyl-based ester compounds and liquid crystal compositions (1988-03-01),

12. 4695651 - Biphenyl-based diester compounds and liquid crystal compositions (1987-09-22),

13. 4592858 - Smectic liquid crystal compound and liquid crystal compositions (1986-06-03),

Title: Naoko Mikami: Innovations in Liquid Crystal Technology and Specialty Compounds.

Introduction

Naoko Mikami is an inventor associated with Kawasaki, Japan. Her work spans liquid crystal display technology and chemical compounds, including inventions developed in connection with Ajinomoto Co., Ltd. and Matsushita Electric Industrial Co., Ltd. Her portfolio includes 13 patents.

Latest Patents

One of Mikami’s highlighted inventions concerns a ferroelectric liquid crystal composition and display device. Ionic impurities can substantially impair the display quality of ferroelectric liquid crystals. The invention addresses this problem by adding an organic material that traps ions and reduces the conductivity of the liquid crystal layer, helping preserve display characteristics.

Another highlighted invention covers N-long-chain acyl neutral amino acid esters. These compounds include a sterol-derived ester-forming residue and a long-chain acyl group, with specified variations in their molecular structure. The patent describes their potential use in cosmetic and pharmaceutical preparations for external application.

Career Highlights

Mikami’s listed company affiliations include Ajinomoto Co., Ltd. and Matsushita Electric Industrial Co., Ltd. Her patent work reflects contributions across both materials chemistry and display technology.

Collaborations

Her listed collaborators include Takao Sakurai and Ryoichi Higuchi.

Conclusion

Naoko Mikami’s inventions address practical challenges in liquid crystal display performance and develop specialized compounds for external-use preparations, illustrating the range of her patent contributions.

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]