This inventor holds 8 USPTO granted patents. Top assignees: Victor Company of Japan, Limited, Hitachi, Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1977-1987.
Location History:
- Yokohama, JA (1977)
- Iwai, JP (1981)
- Yokohama, JP (1983 - 1984)
- Nagareyama, JP (1982 - 1987)
Company Filing History:
8 out of 2,887 
1 out of 42,726 
1 out of 27,375 
Years Active: 1977-1987
Title: Yuichi Ikemura: Innovator in Automatic White Balance Technology
Introduction
Yuichi Ikemura is a notable inventor based in Nagareyama, Japan. He has made significant contributions to the field of image processing technology, particularly in automatic white balance adjustments. With a total of 8 patents to his name, Ikemura's work has had a lasting impact on the functionality of image pickup devices and television cameras.
Latest Patents
One of Ikemura's latest patents is an "Automatic white balance adjusting circuit for image pickup device." This invention features a color temperature detecting circuit that produces a detection signal corresponding to the color temperature of incoming light. It includes a reference voltage signal generating circuit, a comparing circuit, and a selecting circuit that applies different voltages based on the output discrimination signal. The integrating circuit then adjusts the output voltage signals to control the amplifications, ensuring that the white balance of the color video signal is automatically adjusted.
Another significant patent is the "Automatic white adjusting circuit for a television camera." This circuit performs a rough adjustment initially with large steps, followed by a fine adjustment with smaller steps. By directing the television camera towards a white surface, the circuit improves the accuracy of white balance adjustments and allows for automatic adjustments to be completed in a short period.
Career Highlights
Throughout his career, Yuichi Ikemura has worked with prominent companies such as the Victor Company of Japan, Limited and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies in the imaging sector.
Collaborations
Ikemura has collaborated with notable coworkers, including Toyotaka Machida and Teruaki Noda. Their combined efforts have further advanced the field of automatic white balance technology.
Conclusion
Yuichi Ikemura's contributions to automatic white balance technology have significantly enhanced the performance of image pickup devices and television cameras. His innovative patents continue to influence the industry, showcasing his expertise and dedication to advancing imaging technology.