Company Filing History:
3 out of 52,751 
2 out of 1,514 Years Active: 2022-2024
Title: Mitsuhiro Sengoku: Innovator in Light Detection and Semiconductor Technology
Introduction
Mitsuhiro Sengoku is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of light detection and semiconductor technology. With a total of 3 patents to his name, Sengoku's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Sengoku's latest patents is a light detector that includes a substrate, a plurality of avalanche photodiodes, a well region, and a microlens array. The avalanche photodiodes are strategically placed above the substrate, each surrounded by trench portions. The well region, located between adjacent trench portions, incorporates at least one of a transistor and a diode. Additionally, the microlens array is designed to cover the avalanche photodiodes, enhancing their functionality.
Another notable patent is a semiconductor device that features element regions comprising a first region of a first conductivity type, a second region of the same type with a higher impurity concentration, and a third region of a second conductivity type. The second region is positioned between the first and third regions in a specified direction. Each element region is surrounded by a first insulating portion, while a fourth region of the first conductivity type encircles both the element region and the insulating portion. This fourth region also has a higher impurity concentration than the first region, and a quenching structure is integrated above part of the fourth region, electrically connecting to the third region.
Career Highlights
Sengoku has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.
Collaborations
Throughout his career, Sengoku has collaborated with esteemed colleagues, including Koichi Kokubun and Nobu Matsumoto. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Mitsuhiro Sengoku's contributions to light detection and semiconductor technology highlight his role as a key innovator in Japan. His patents reflect a commitment to advancing technology and improving the functionality of electronic devices. Sengoku's work continues to inspire future generations of inventors and engineers.