Mitsuru Ishizuka

Title: Mitsuru Ishizuka: Innovator in Signal Processing

Introduction

Mitsuru Ishizuka is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of signal processing, particularly in the development of filters for separating luminance and chrominance signals. With a total of 9 patents to his name, Ishizuka's work has had a lasting impact on television technology.

Latest Patents

Ishizuka's latest patents include a "Luminance and Chrominance Signals Separating Filter Adaptive to Movement." This innovative filter incorporates a motion detecting circuit that identifies image movement by analyzing frame correlations. It features both inter-frame and intra-frame YC separating circuits, which work together to output motion-adaptive YC separated signals. Another notable patent is the "Motion Adaptive Luminance Signal and Color Signal Separation Filter." This filter effectively separates luminance and color signals from composite color television signals, utilizing interframe and interfield correlations based on the detected motion of the image.

Career Highlights

Throughout his career, Ishizuka has worked with notable companies such as Mitsubishi Electric Corporation. His expertise in signal processing has been instrumental in advancing television technology and improving image quality.

Collaborations

Ishizuka has collaborated with esteemed colleagues, including Noriyuki Yamaguchi and Masaharu Yao. Their combined efforts have contributed to the development of innovative technologies in the field.

Conclusion

Mitsuru Ishizuka's contributions to signal processing and his innovative patents have significantly influenced television technology. His work continues to inspire future advancements in the field.