This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignees: Denso Corporation, Mirise Technologies Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2025.
Company Filing History:
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1 out of 38,837 
Years Active: 2025
Title: Eiji Kagoshima: Innovator in Semiconductor Technology
Introduction
Eiji Kagoshima is a notable inventor based in Nisshin, Japan. He has made significant contributions to the field of semiconductor technology, particularly through his innovative methods for manufacturing switching devices. His work has implications for various applications in electronics and has garnered attention in the industry.
Latest Patents
Kagoshima holds a patent for a "Method for manufacturing switching device." This patent outlines a comprehensive process that includes forming a trench at the top surface of a semiconductor substrate, creating a gate insulation film, and positioning a gate electrode within the trench. The method further details the formation of an oxide film and an interlayer insulation film, culminating in the establishment of an upper electrode that contacts both the semiconductor substrate and the trench's side surface.
Career Highlights
Throughout his career, Eiji Kagoshima has worked with prominent companies such as Denso Corporation and Toyota Jidosha Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to advancements in semiconductor technology.
Collaborations
Kagoshima has collaborated with various professionals in his field, including his coworker Yohei Iwahashi. These partnerships have facilitated the exchange of ideas and fostered innovation in their projects.
Conclusion
Eiji Kagoshima's contributions to semiconductor technology through his patented methods highlight his role as an influential inventor. His work continues to impact the electronics industry, showcasing the importance of innovation in advancing technology.