Ryuji Kawamoto

Title: Ryuji Kawamoto: Innovator in Color Filter Technology

Introduction

Ryuji Kawamoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of color filter technology. His innovative work has led to the development of a unique patent that enhances the manufacturing process of color filters.

Latest Patents

Kawamoto holds a patent for a color filter and photomask to be employed in the manufacture of color filters. This invention includes a first photo-spacer and a second photo-spacer with a smaller film thickness than that of the first. The second photo-spacer features a cross-sectional configuration where its longitudinal width is greater than its lateral width. The photo-spacers are formed using a photomask that includes specific aperture patterns for each spacer. The lateral width of the second aperture pattern is confined to a range of 2.0-10.0 μm, with a ratio of lateral width to longitudinal width of 11.25 or more.

Career Highlights

Kawamoto is currently associated with Toppan Printing Co., Ltd., where he continues to innovate in the field of color filter technology. His work has been instrumental in advancing the capabilities of color filters used in various applications.

Collaborations

He has collaborated with notable coworkers, including Atsuko Kamada and Junichi Shiraishi, who have contributed to his research and development efforts.

Conclusion

Ryuji Kawamoto's contributions to color filter technology exemplify the spirit of innovation. His patent reflects a significant advancement in manufacturing processes, showcasing his expertise and dedication to the field.