Company Filing History:
Years Active: 1992-1995
Title: Masami Yamaoka: Innovator in Semiconductor Technology
Introduction
Masami Yamaoka is a notable inventor based in Anjyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of semiconductor devices.
Latest Patents
Yamaoka's latest patents include a semiconductor substrate structure designed for producing two isolated circuits. This innovative structure features a semiconductor substrate portion with regions that are insulatedly isolated from one another, achieved through a burying means made of an oxide film. This design allows for a semiconductor circuit structure with multiple insulated regions, providing high withstand voltage and a streamlined production process. Another significant patent involves a semiconductor power device characterized by walls of an inverted mesa shape. This device includes an anode region formed from two joined semiconductor substrates, which create a high-resistance layer and a low-resistance layer. The inverted mesa structure enhances the device's withstand voltage and accommodates larger diameter wafers.
Career Highlights
Throughout his career, Yamaoka has worked with prominent companies such as Nippon Soken, Inc. and Nippon Steel Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Yamaoka has collaborated with notable colleagues, including Kazuhiro Tsuruta and Mitutaka Katada. These partnerships have fostered advancements in semiconductor research and development.
Conclusion
Masami Yamaoka's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative designs continue to impact the industry positively.