Mamoru Iesaka

Title: Mamoru Iesaka: Innovator in Image Sensor Technology

Introduction

Mamoru Iesaka is a prominent inventor based in Tokyo, Japan. He is known for his contributions to the field of image sensor technology, particularly through his innovative patent related to low noise silicon germanium image sensors. His work has significantly impacted the development of advanced imaging systems.

Latest Patents

Iesaka holds a patent for a low noise silicon-germanium (SiGe) image sensor. This invention features a design that includes a plurality of pixels arranged in rows and columns within a pixel array, which is integrated into a semiconductor substrate. The photodiodes in each pixel are designed to capture incoming light through the illuminated surface of the semiconductor substrate. The substrate consists of a first layer of silicon and a second layer of silicon germanium, with a gradual change in the concentration of germanium throughout the thickness of the second layer. Each photodiode is equipped with a first and second doped region that extends through both layers of semiconductor material.

Career Highlights

Mamoru Iesaka is currently associated with Omnivision Technologies, Inc., where he continues to advance the field of imaging technology. His expertise and innovative approach have positioned him as a key figure in the development of high-performance image sensors.

Collaborations

Iesaka has collaborated with notable colleagues, including Woon Il Choi and Sohei Manabe. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of image sensor technology.

Conclusion

Mamoru Iesaka's contributions to the field of image sensors exemplify the importance of innovation in technology. His patent for a low noise silicon germanium image sensor showcases his commitment to advancing imaging capabilities. His work continues to influence the industry and inspire future developments in this critical area of technology.