Fukuoka, Japan

Yuka Takamizuma

This inventor holds 7 USPTO granted patents and 10 published patent applications and 1 EPO patent. Top assignees: Ns Materials Inc., Toppan Inc., Sharp Kabushiki Kaisha Corporation. Active years: 2021-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuka Takamizuma. Retrieved from https://idiyas.com/inventor/yuka-takamizuma

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2021-2026

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7 patents (USPTO):Explore Patents

Title: Yuka Takamizuma: Pioneer in Quantum Dot Innovations

Introduction

Yuka Takamizuma, an innovative inventor based in Fukuoka, JP, has made significant contributions to the field of quantum dots, securing a total of four patents. His work focuses on developing advanced materials that can revolutionize various applications, particularly in lighting and display technologies.

Latest Patents

One of Yuka's latest patents features a quantum dot and its manufacturing method, aimed at providing a quantum dot that exhibits narrow fluorescence half-width and a high fluorescence quantum yield, specifically emitting blue fluorescence. This quantum dot includes zinc (Zn) and selenium (Se) and is free from cadmium (Cd), with a particle diameter ranging from 5 nm to 20 nm. Furthermore, the invention stipulates a fluorescence quantum yield of 5% or more and a fluorescence half-width of 25 nm or less, with the capability of achieving a fluorescence lifetime of 50 ns or less. Another significant patent covers the quantum dot and the method of producing the same, along with related components such as wavelength converting members, lighting members, backlight units, and display devices utilizing the quantum dot technology. This Cd-free blue fluorescent quantum dot again emphasizes the requirement of a narrow fluorescence FWHM of 25 nm or less, preferably in the form of a nanocrystal that contains zinc, selenium, and potentially sulfur.

Career Highlights

Throughout his career at Ns Materials Inc., Yuka has played a crucial role in advancing quantum dot technologies. His dedication to research and development has led to breakthroughs that not only enhance the efficiency of displays but also ensure environmental safety by eliminating cadmium.

Collaborations

Yuka has collaborated with talented individuals in his field, including Yuko Ogura and Soichiro Nikata. These partnerships have fostered a creative environment, leading to innovative solutions in quantum dot research and application.

Conclusion

Yuka Takamizuma's contributions to the field of quantum dots underscore the importance of innovation in materials science. By focusing on eco-friendly alternatives and advanced manufacturing techniques, he continues to shape the future of lighting and display technologies, making them more efficient and safer for consumers.

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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