Company Filing History:
Years Active: 1987-2006
Title: **Masami Yamaoka: Innovator in Semiconductor Technology**
Introduction
Masami Yamaoka, an accomplished inventor based in Anjo, Japan, holds an impressive portfolio of 26 patents, focusing primarily on semiconductor technology. His innovative contributions have significantly impacted the development of modern electronic devices, making them more efficient and reliable.
Latest Patents
Among his most recent inventions is a patent for a semiconductor device and a method for manufacturing the same. This semiconductor device features an N-type semiconductor substrate that incorporates arsenic as an impurity. The design includes a first electrode on the main surface, a ground surface on the opposite side, and a second electrode that is ohmically contacted with the substrate. This device is designed to minimize ON-resistance, enhancing efficiency in current flow. Additionally, Yamaoka's method for manufacturing vertical semiconductor devices demonstrates his commitment to advancing technology. This method involves several steps, such as preparing a semiconductor wafer, forming a semiconductor element, and engineering electrodes to achieve optimal performance.
Career Highlights
Yamaoka has had a notable career, contributing his expertise to renowned companies such as Nippondenso Co., Ltd. and Denso Corporation. His work in these organizations has allowed him to refine his engineering skills and innovate within the field of semiconductor manufacturing.
Collaborations
Throughout his career, Yamaoka has collaborated with talented professionals, including Akira Kuroyanagi and Yoshifumi Okabe. These collaborations have facilitated the exchange of ideas and fostered innovation, leading to advancements in their respective projects.
Conclusion
Masami Yamaoka’s contributions to semiconductor technology through his extensive patent portfolio reflect his dedication and ingenuity as an inventor. His innovative solutions not only enhance device performance but also pave the way for future advancements in the electronics industry.