Location History:
- Kanagawa, JP (2000)
- Kawasaki, JP (2004)
- Kanagawa-ken, JP (1998 - 2006)
Company Filing History:
Years Active: 1998-2006
Title: Masamichi Nakajima: Innovator in Image Processing Technologies
Introduction
Masamichi Nakajima is a prominent inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of image processing, holding a total of 13 patents. His work focuses on enhancing image quality and improving circuit operations in various electronic devices.
Latest Patents
One of Nakajima's latest inventions is an image quality correcting circuit. This circuit comprises a mean value computer that calculates the mean luminance levels of multiple picture elements from a video signal. It also includes an occurrence frequency counter that tracks the frequency of these luminance levels. A linear interpolator forms a correcting characteristic line based on the counted values, while an image quality corrector adjusts the video signals according to this line. Another notable patent is a PLL circuit designed to compensate for stoppages in PLL operations. This invention detects the presence of a comparison signal from a frequency divider and temporarily controls the output signal of a phase comparator to restore normal operation quickly. This technology is particularly useful for generating sampling clocks in the digital processing of analog image signals.
Career Highlights
Masamichi Nakajima is currently employed at Fujitsu General Limited, where he continues to innovate in the field of electronics and image processing. His work has significantly impacted the development of technologies that enhance video signal quality and circuit reliability.
Collaborations
Throughout his career, Nakajima has collaborated with notable colleagues, including Masayuki Kobayashi and Hayato Denda. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Masamichi Nakajima's contributions to image processing and circuit technology have established him as a key figure in his field. His innovative patents continue to influence advancements in electronic devices, showcasing his dedication to improving image quality and operational efficiency.