Tokyo, Japan

Kazuyuki Koyanagi

This inventor holds 3 USPTO granted patents. Top assignees: Nec Display Solutions, Ltd., Nec Viewtechnology, Ltd., Sharp Nec Display Solutions, Ltd.. Active years: 2013-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Koyanagi. Retrieved from https://idiyas.com/inventor/kazuyuki-koyanagi

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 = 1.2

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2013-2023

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3 patents (USPTO):Explore Patents

Title: Kazuyuki Koyanagi: Innovator in Display Technology

Introduction

Kazuyuki Koyanagi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of display devices.

Latest Patents

Koyanagi's latest patents include a display device, control method, and program. This innovative display device is designed to connect to a signal source that outputs a video signal using an encryption protocol. It features a transmission unit that transmits a uniquely set encryption key for the display device, along with an encryption key from another connected display device. Additionally, it includes a stop instruction unit that manages the transmission of encryption keys based on a predetermined group. Another notable patent is for an HDMI apparatus for high-definition TVs. This device incorporates a switching circuit that outputs a low-level or ground potential to the second pin of the HDMI connector if a first signal is not outputted. The design includes a connector for external devices, a controller, and an output unit that detects connection status.

Career Highlights

Throughout his career, Koyanagi has worked with notable companies such as NEC Viewtechnology, Ltd. and NEC Display Solutions, Ltd. His experience in these organizations has allowed him to develop and refine his expertise in display technologies.

Collaborations

Koyanagi has collaborated with various professionals in the industry, including his coworker Tomohiro Mihara. Their joint efforts have contributed to advancements in display technology.

Conclusion

Kazuyuki Koyanagi's innovative work in display technology and his impressive portfolio of patents highlight his significant impact on the field. His contributions continue to shape the future of display devices and their applications.

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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