Choshi, Japan

Kouji Hayakawa

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Hitachi Displays, Ltd., Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 2011-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Hayakawa. Retrieved from https://idiyas.com/inventor/kouji-hayakawa

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

USPTO Granted Patents = 6 

% Patents Active = 66.7

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Chousei, JP (2011)
  • Chosei, JP (2013 - 2016)

Company Filing History:


Years Active: 2011-2016

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6 patents (USPTO):Explore Patents

Title: Kouji Hayakawa: Innovator in Liquid Crystal Display Technology

Introduction

Kouji Hayakawa 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 6 patents to his name, Hayakawa's work has had a lasting impact on the development of touch panel integration in LCD devices.

Latest Patents

Hayakawa's latest patents focus on advancements in liquid crystal display devices. One notable patent describes a liquid crystal display device where a second substrate incorporates detection electrodes of a touch panel. Each pixel features a pixel electrode and a counter electrode divided into multiple blocks. The counter electrodes serve dual purposes, acting as scanning electrodes for the touch panel. A driver circuit is designed to apply both a counter voltage and a touch panel scanning voltage to these electrodes. This innovative approach allows for sequential application of the touch panel scanning voltage while maintaining a consistent drive pulse for image display.

Career Highlights

Throughout his career, Kouji Hayakawa has worked with leading companies in the display technology sector. He has been associated with Hitachi Displays, Ltd. and Panasonic Liquid Crystal Display Co., Ltd. His experience in these organizations has contributed to his expertise in liquid crystal display innovations.

Collaborations

Hayakawa has collaborated with notable colleagues in the industry, including Shinji Sekiguchi and Koji Nagata. These partnerships have fostered a collaborative environment that has led to significant advancements in LCD technology.

Conclusion

Kouji Hayakawa's contributions to liquid crystal display technology exemplify his innovative spirit and dedication to advancing the field. His patents and collaborations reflect a commitment to enhancing the functionality and performance of display devices.

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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