Saitama, Japan

Makoto Sakagawa

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Toppan Printing Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Sakagawa. Retrieved from https://idiyas.com/inventor/makoto-sakagawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Makoto Sakagawa: Innovator in Liquid-Crystal Display Technology

Introduction

Makoto Sakagawa is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of liquid-crystal display technology. His innovative work has led to the development of a unique color filter that enhances the performance of multi-color liquid-crystal display panels.

Latest Patents

Sakagawa holds a patent for a color filter designed for use in liquid-crystal display panel structures. This invention includes a transparent substrate with a surface portion and a multiplicity of filter elements arranged in a predetermined pattern. Each filter element is composed of a photosetting colored filter composition that contains an acrylic resin, a coloring compound, and a dispersant. Notably, the dispersant may include a derivative of an organic colorant. Additionally, the color filter can feature a transparent overcoat of synthetic resin that covers the filter elements.

Career Highlights

Makoto Sakagawa is associated with Toppan Printing Co., Ltd., where he has been instrumental in advancing display technologies. His work has not only contributed to the company's portfolio but has also impacted the broader industry by improving the quality and efficiency of liquid-crystal displays.

Collaborations

Sakagawa has collaborated with notable colleagues, including Toyoaki Sawada and Hisao Hoshi. These partnerships have fostered innovation and have been essential in the development of advanced display technologies.

Conclusion

Makoto Sakagawa's contributions to liquid-crystal display technology through his patented innovations demonstrate his expertise and commitment to advancing the field. His work continues to influence the development of high-quality display solutions.

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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