Tokyo, Japan

Kouichi Iguchi

This inventor holds 6 USPTO granted patents. Top assignees: Nec Corporation, Nissan Motor Company Limited. Active years: 1984-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Iguchi. Retrieved from https://idiyas.com/inventor/kouichi-iguchi

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 = 4

Forward Citations = 62(Granted Patents)


Company Filing History:


Years Active: 1984-2007

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Innovations of Kouichi Iguchi

Introduction

Kouichi Iguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology and circuit design. With a total of 6 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a current drive circuit and image display device. This invention provides a display panel that includes a current-driven displaying elements arrayed within it. The design aims to suppress the deterioration in the representation accuracy of grayscale levels of pixels, which can result from variations in transistors formed within the display panel. The display panel consists of a current-driven display element, a constant current control line, a constant current line, a current hold circuit, and a switch circuit connected between the current-driven display element and the current hold circuit. The control circuit is designed to turn on and off the switch circuit in response to the data signal.

Another notable patent is related to the driving method of a piezoelectric transformer and its driving circuit. This circuit is suitable for driving a piezoelectric transformer with a load, such as a cold cathode fluorescent tube, and is capable of operating efficiently across a wide range of power source voltages. The driving circuit includes a series circuit constituted by the equivalent input capacitance of the piezoelectric transformer and an inductance circuit. It also features a switching transistor and an amplitude detection circuit for optimizing performance based on the driving waveform.

Career Highlights

Kouichi Iguchi has worked with notable companies such as NEC Corporation and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Throughout his career, Kouichi has collaborated with esteemed colleagues, including Hiroshi Sasaki and Seiichi Shimizu. These partnerships have fostered a creative environment that has led to groundbreaking advancements in technology.

Conclusion

Kouichi Iguchi's contributions to the fields of display technology and circuit design are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology. His work continues to influence the industry and inspire 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]
Loading…