Yokohama, Japan

Keiji Takanosu

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Displays, Ltd.. Active years: 2008-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Takanosu. Retrieved from https://idiyas.com/inventor/keiji-takanosu

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 = 3.8

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 2008-2011

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3 patents (USPTO):Explore Patents

Title: Keiji Takanosu: Innovator in Display Technology

Introduction

Keiji Takanosu is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of display technology, particularly in organic electroluminescent displays and liquid crystal display devices. With a total of three patents to his name, Takanosu's work has advanced the capabilities and manufacturing processes of modern display technologies.

Latest Patents

Takanosu's latest patents include a method of manufacturing organic electroluminescent displays and a liquid crystal display device. The first patent outlines a manufacturing method that allows for the formation of organic films with high accuracy while preventing damage to the substrate. This innovative approach involves a vapor deposition mask with a specially designed opening portion that ensures precise vapor deposition of materials. The second patent focuses on a method for creating transflective liquid crystal display devices, detailing a multi-step process that includes applying a photosetting resin composition and selectively forming unevenness in the resin to enhance display performance.

Career Highlights

Keiji Takanosu is currently employed at Hitachi Displays, Ltd., where he continues to push the boundaries of display technology. His work has not only contributed to the advancement of display devices but has also positioned his company as a leader in the industry. Takanosu's innovative methods have been instrumental in improving the quality and efficiency of display manufacturing.

Collaborations

Throughout his career, Takanosu has collaborated with notable colleagues, including Hiroyasu Matsuura and Eiji Matsuzaki. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Keiji Takanosu's contributions to display technology through his patents and work at Hitachi Displays, Ltd. highlight his role as a key innovator in the field. His advancements in manufacturing methods for organic and liquid crystal displays continue to influence the industry and pave the way for future innovations.

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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