Company Filing History:
Years Active: 2025
Title: Nobuhiro Yanagisawa: Innovator in Imaging Technology
Introduction
Nobuhiro Yanagisawa is a prominent inventor based in San Jose, CA, known for his contributions to imaging technology. With a total of 3 patents, he has made significant advancements in the field, particularly in the development of circuits and systems that enhance image processing.
Latest Patents
Yanagisawa's latest patents include innovative designs that improve imaging systems. One of his notable inventions is the "Distributed ramp linearity compensation circuit." This patent describes an imaging system that features a pixel array capable of generating multiple image charge voltage signals in response to incident light. The readout circuitry, which is connected to the pixel array, includes several column unit cells equipped with comparators and compensation current units to enhance signal accuracy.
Another significant patent is "Adaptive data selection for DCG / DAG." This invention involves a pixel circuit that comprises a pixel array and multiple analog to digital converters (ADCs). During pixel data readout, these ADCs are connected to their respective pixels to receive image data. The system also includes judge blocks that select and transmit gain data based on comparisons with predetermined thresholds, ultimately processed by an image signal processor (ISP) to produce a combined converted value for each pixel.
Career Highlights
Nobuhiro Yanagisawa is currently employed at Omnivision Technologies, Inc., where he continues to innovate in the field of imaging technology. His work has significantly impacted the development of advanced imaging systems, making them more efficient and effective.
Collaborations
Throughout his career, Yanagisawa has collaborated with notable colleagues, including Naoki Kitazawa and Masao Sambongi. These collaborations have fostered a creative environment that has led to groundbreaking advancements in imaging technology.
Conclusion
Nobuhiro Yanagisawa is a key figure in the field of imaging technology, with a focus on enhancing image processing systems. His innovative patents and contributions to Omnivision Technologies, Inc. highlight his commitment to advancing technology in this vital area.