Yokohama, Japan

Eiji Takagi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Takagi. Retrieved from https://idiyas.com/inventor/eiji-takagi-op24qpfh

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 = 5.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Eiji Takagi - Innovator in Video Signal Processing

Introduction

Eiji Takagi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of video signal processing, particularly through his innovative patent related to aperture correction circuits. His work has implications for enhancing image quality in video signals.

Latest Patents

Eiji Takagi holds a patent for an aperture correction circuit. This invention comprises a preshoot signal generator that creates a preshoot signal of the edge part of a video signal. It also includes an overshoot signal generator that produces the overshoot signal of the edge part of the video signal. The shoot signal composition circuit adds the preshoot and overshoot signals at a ratio determined by a control signal, delivering the resulting signal as a correcting shoot signal. An adder then combines the video signal and the correcting shoot signal, producing the final output. The dynamic adjustment of the ratio between the preshoot and overshoot signals according to the input video signal allows for improved image quality.

Career Highlights

Eiji Takagi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to focus on advancements in video technology and signal processing. His contributions have been recognized within the industry, showcasing his expertise and commitment to innovation.

Collaborations

Eiji has collaborated with notable colleagues, including Hideaki Ohki and Yukinari Ueki. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in video processing.

Conclusion

Eiji Takagi's contributions to the field of video signal processing through his patent on aperture correction circuits highlight his innovative spirit and dedication to enhancing image quality. His work continues to influence advancements in technology and video processing.

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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