Company Filing History:
12 out of 13 
2 out of 2 Years Active: 2003-2011
Title: Innovations of Katsumi Yamamoto
Introduction
Katsumi Yamamoto is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of image sensor technology, holding a total of 14 patents. His work has advanced the capabilities of image sensors, making them more efficient and effective in various applications.
Latest Patents
Yamamoto's latest patents include an image sensor having a micro-lens array separated with ridge structures. This innovative image sensor comprises a plurality of pixels formed in a semiconductor substrate, with each pixel including a light-sensitive element. A micro-lens is formed over each of the light-sensitive elements, and a raised ridge structure surrounds each micro-lens. Another notable patent is for an image sensor having an integrated thin film infrared filter. This image sensor includes a multilayer stack formed over the pixels, which is adapted to filter incident light in the infrared region. Micro-lenses are formed over the multilayer stack and over the light-sensitive elements, enhancing the sensor's performance.
Career Highlights
Throughout his career, Katsumi Yamamoto has worked with leading companies in the semiconductor industry. He has been associated with Omnivision International Holding, Ltd. and Huawei Semiconductor (Shanghai) Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in image sensor technology.
Collaborations
Due to space constraints, the collaborations section has been omitted.
Conclusion
Katsumi Yamamoto's innovative work in image sensor technology has led to significant advancements in the field. His patents reflect a deep understanding of the complexities involved in creating efficient imaging solutions. His contributions continue to influence the industry and inspire future innovations.