This inventor holds 1 USPTO granted patent. Top assignee: Pioneer Electronic Corporation. Active years: 2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2001
Title: Hirofumi Kawaguchi: Innovator in Video Signal Processing
Introduction
Hirofumi Kawaguchi is a notable inventor based in Fukuroi, Japan. He has made significant contributions to the field of video signal processing, particularly with his innovative designs that enhance video quality. His work is characterized by a focus on optimizing signal levels for improved visual performance.
Latest Patents
Kawaguchi holds a patent for a "Video signal processing circuit providing optimum signal level for inverse gamma correction." This invention allows for nearly 100% utilization of the largest possible dynamic range, achieving desired contrast and brightness characteristics by increasing the luminance of a screen. The circuit includes an RGB amplifier that amplifies the primary color video signals—red, green, and blue—by a predetermined gain, which is controlled by a gain control signal. Additionally, it features A/D converters that transform the analog signals into digital formats, inverse gamma correcting circuits, an OR circuit, and a peak holding circuit for detecting peak levels of the analog signals. The gain control signal generator adjusts the RGB amplifier based on these peak levels, ensuring optimal output.
Career Highlights
Kawaguchi is currently employed at Pioneer Electronic Corporation, where he continues to innovate in the realm of video technology. His work has been instrumental in advancing the capabilities of video signal processing circuits, making significant impacts in the industry.
Collaborations
Throughout his career, Kawaguchi has collaborated with talented individuals such as Shuji Ogawa and Nozomu Kikuchi. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in video processing.
Conclusion
Hirofumi Kawaguchi's contributions to video signal processing exemplify the importance of innovation in technology. His patent and ongoing work at Pioneer Electronic Corporation highlight his commitment to enhancing video quality and performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile