Okayama, Japan

Shigeki Murakami

This inventor holds 5 USPTO granted patents. Top assignees: Dai Nippon Printing Co., Ltd., Dai Nippon Printing. Active years: 2024-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Murakami. Retrieved from https://idiyas.com/inventor/shigeki-murakami-xar30z59

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 1


Company Filing History:


Years Active: 2024-2026

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5 patents (USPTO):Explore Patents

Title: Shigeki Murakami: Innovator in Optical Film Technology

Introduction

Shigeki Murakami is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of optical film technology, holding a total of 5 patents. His work focuses on enhancing the performance of image display devices through innovative optical films.

Latest Patents

Murakami's latest patents include advancements in optical films, image display panels, and image display devices. One of his notable inventions is an optical film that boasts high anti-glare properties. This film effectively suppresses the reduction in jet-black appearance caused by reflected scattered light while also providing excellent scratch resistance. The optical film features a surface with depressions and projections, which has a peak material volume Vmp of 0.010 ml/mor or more and 0.050 ml/mor or less, as specified in ISO 25178-2:2012. Additionally, it has a minimum autocorrelation length Sal of 4.0 μm or more and 12.0 μm or less, also according to ISO standards.

Another significant patent by Murakami is an optical film that combines high anti-glare properties with high scratch resistance. This invention also aims to minimize reflected scattered light. The surface of this optical film has a developed interfacial area ratio Sdr of 0.010 or more and 0.060 or less, as specified in ISO 25178-2:2012, along with the same minimum autocorrelation length Sal of 4.0 μm or more and 12.0 μm or less.

Career Highlights

Shigeki Murakami is currently employed at Dai Nippon Printing Co., Ltd., where he continues to innovate in the field of optical technologies. His work has significantly impacted the development of high-performance image display devices.

Collaborations

Throughout his career, Murakami has collaborated with notable colleagues, including Jun Tsujimoto and Gen Furui. These collaborations have further enhanced the quality and scope of his inventions.

Conclusion

Shigeki Murakami is a key figure in the advancement of optical film technology, with a focus on improving image display devices. His innovative patents reflect his commitment to enhancing visual performance through cutting-edge technology.

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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