Choshi, Japan

Katsuhiko Ishi

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 2011-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Ishi. Retrieved from https://idiyas.com/inventor/katsuhiko-ishi

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2011-2012

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2 patents (USPTO):Explore Patents

Title: Katsuhiko Ishi: Innovator in Liquid Crystal Display Technology

Introduction

Katsuhiko Ishi is a prominent inventor based in Chosei, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of 2 patents, Ishi has focused on enhancing the performance and reliability of LCD devices.

Latest Patents

Ishi's latest patents include innovative designs for liquid crystal display devices. One patent describes a liquid crystal display device that features a liquid crystal display panel with a first substrate and a second substrate. This design incorporates a liquid crystal layer sandwiched between the two substrates, along with a transparent cover affixed to the observer side. The transparent cover includes an optical member that enhances the display's functionality. Another patent addresses the issue of bright spot defects caused by polishing flaws, known as dimples, in the observer side substrate. This invention aims to provide a simple configuration that effectively avoids such defects.

Career Highlights

Throughout his career, Katsuhiko Ishi has worked with notable companies in the technology sector. He has been associated with Hitachi Displays, Ltd. and Panasonic Liquid Crystal Display Co., Ltd. These experiences have allowed him to develop and refine his expertise in liquid crystal display technology.

Collaborations

Ishi has collaborated with various professionals in his field, including his coworker Risa Takahashi. Their joint efforts have contributed to advancements in LCD technology and innovation.

Conclusion

Katsuhiko Ishi's work in liquid crystal display technology showcases his dedication to innovation and improvement in the field. His patents reflect a commitment to solving common issues in LCD devices, making significant strides in enhancing display quality.

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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