This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Toyobo Co., Ltd.. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2025
Title: Yohei Yamaguchi: Innovator in Foldable Display Technology
Introduction
Yohei Yamaguchi is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of display technology, particularly in the development of hard coating films for foldable displays. With a total of 2 patents to his name, Yamaguchi is recognized for his innovative solutions that enhance the durability and performance of modern displays.
Latest Patents
Yamaguchi's latest patents focus on hard coating films designed specifically for foldable displays. The first patent describes a hard coating film that prevents the formation of creases or cracks in the folding portion of the display. This film also excels in reducing iridescent colors caused by fine cracks in the resin layers. The hard coating film consists of a polyester film with a thickness ranging from 10 to 80 μm, an easy-to-adhere resin layer, and a hard coating layer. The resin layer is a cured product containing titanium and zirconium compounds along with a polyester resin.
The second patent further elaborates on the hard coating film for foldable displays, emphasizing its application. It also prevents creases and cracks while minimizing interference mottling. This film includes a polyester film, an easy-to-adhere resin layer, and a hard coating layer, with the resin layer being a composition that includes binder resin and particles such as titanium oxide, zirconium oxide, and silica. The mean particle size of these particles ranges from 5 to 150 nm, ensuring optimal performance.
Career Highlights
Yohei Yamaguchi is currently employed at Toyobo Co., Ltd., a company known for its innovative materials and technologies. His work at Toyobo has allowed him to focus on advancing display technology, particularly in the realm of foldable devices. His contributions have positioned him as a key figure in the industry.
Collaborations
Yamaguchi has collaborated with notable coworkers, including Kokichi Tokuo and Shotaro Nishio. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
In summary, Yohei Yamaguchi is a distinguished inventor whose work in hard coating films for foldable displays has made a significant impact on the technology landscape. His patents reflect a commitment to enhancing the functionality and durability of modern displays,
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile