Tokyo, Japan

Takahiro Ichikawa

This inventor holds 2 USPTO granted patents and 3 published patent applications. Top assignees: Fujifilm Corporation, Mitsubishi Electric Corporation. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Ichikawa. Retrieved from https://idiyas.com/inventor/takahiro-ichikawa-3731p7yk

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2018-2025

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Takahiro Ichikawa: Innovator in Optically Anisotropic Films and Inverter Technology

Introduction

Takahiro Ichikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of optically anisotropic films and inverter technology. With a total of 2 patents, his work has had a notable impact on various technological advancements.

Latest Patents

Ichikawa's latest patents include a composition capable of forming an optically anisotropic film that exhibits a negative Nz factor. This invention encompasses an optically anisotropic film, a circularly polarizing plate, a display device, a compound, and a method for producing the compound. The composition features a non-coloring lyotropic liquid crystal compound represented by a specific formula. Additionally, he has developed an inverter device that includes converter circuitry to convert alternating-current voltage to direct-current voltage, along with inverter circuitry to convert the direct-current voltage back to alternating-current voltage. This device is designed to supply the alternating-current voltage to a load while incorporating a current detector and a calculator to optimize performance.

Career Highlights

Throughout his career, Ichikawa has worked with notable companies such as Mitsubishi Electric Corporation and Fujifilm Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects.

Collaborations

Ichikawa has collaborated with talented individuals in his field, including Hiroshi Moroi and Yuki Hirai. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Takahiro Ichikawa's contributions to the fields of optically anisotropic films and inverter technology highlight his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in his work.

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]
Loading…