Kaori Yamamoto

Title: Innovation in Color: The Patents of Kaori Yamamoto

Introduction

Kaori Yamamoto, based in Tottori, Japan, is an accomplished inventor with two significant patents to her name. Her innovative work primarily focuses on coloring compositions used in advanced display technologies. With a commitment to enhancing visual clarity and color accuracy, Yamamoto's contributions have garnered attention in the field of materials science.

Latest Patents

Yamamoto's latest patents include a groundbreaking coloring composition designed for color filters. This composition incorporates (i) an organic pigment, (ii) a binder, and (iii) a pigment derivative, specifically an organic pigment bonded with a sulfonate group and a sulfonamide group or its salt. The result is a color filter that exhibits exceptional coating properties, shows no significant color unevenness, and provides excellent contrast.

Another notable patent involves coloring compositions aimed at the formation of transparent colored micro-patterns. These compositions consist of colorants, thermosetting or photosensitive resin materials, and extenders that possess an average particle size of no more than 300 nm. These innovations are particularly useful for fabricating color filters utilized in display elements like liquid crystal displays (LCDs) and charge-coupled device (CCD) imaging devices. The resulting patterns from her compositions demonstrate minimized fluctuations in colored layer thickness, superior layer flatness, consistent color levelness, sharp pattern boundaries, and enhanced purity, clarity, and brightness of color.

Career Highlights

Kaori Yamamoto currently works at Sumitomo Chemical Company, Limited, a leading player in the chemical industry. Her role allows her to explore and develop innovative materials that push the boundaries of existing technologies. Over her career, she has demonstrated an unwavering dedication to her field, making significant strides in improving the quality and performance of color-filtering technologies.

Collaborations

Throughout her career, Yamamoto has collaborated with notable colleagues, including Toshiki Furubayashi and Keisuke Ito. Their teamwork has led to advancements in their projects, and together they have contributed to the evolution of color applications in various high-tech sectors. Collaborative efforts in research and development are instrumental in fostering innovation and ensuring the successful application of new technologies.

Conclusion

Kaori Yamamoto is a prominent inventor whose work at Sumitomo Chemical Company, Limited, reflects a deep commitment to enhancing color technology in display applications. Her patents not only showcase her innovative spirit but also contribute to the broader landscape of materials science. With advancements in coloring compositions, Yamamoto continues to make a lasting impact on the future of visual technology.