Company Filing History:
4 out of 42,508 
1 out of 66 
Years Active: 1983-1990
Title: Ikuo Yuki: Innovator in Digital Convergence and Noise Reduction Technologies
Introduction
Ikuo Yuki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of digital technology, particularly in the areas of convergence correction and noise reduction in image signals. With a total of 4 patents to his name, Yuki's work has had a lasting impact on the industry.
Latest Patents
One of Yuki's latest inventions is the Digital Convergence Correcting Apparatus. This apparatus is designed for use in projection television receivers that utilize a CRT with an aspherical fluorescent screen. The device employs a digital memory to store correction data for convergence adjustments across various points on the display screen. A multiplexer reads this data and generates an analog signal through a digital/analog converter, ensuring precise convergence correction.
Another significant patent is the Dynamic Noise Reduction Circuit for Image Luminance Signal. This circuit features a high-pass filter to extract high-frequency components of an image signal, along with a coring circuit to eliminate faint noise signals. The coring control circuit intelligently adjusts the coring range based on the luminance signal level, effectively reducing noise visibility in darker image areas.
Career Highlights
Throughout his career, Ikuo Yuki has worked with prominent companies such as Hitachi, Ltd. and Hitachi Video Engineering, Incorporated. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in digital imaging.
Collaborations
Yuki has collaborated with notable colleagues, including Nobuaki Naoi and Katunobu Takeda. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Ikuo Yuki's contributions to digital convergence and noise reduction technologies have established him as a key figure in the industry. His innovative patents continue to influence advancements in image processing and display technologies.