Company Filing History:
Years Active: 1995-2001
Title: The Innovations of Yoshio Onuma
Introduction
Yoshio Onuma is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of solar cells and superconducting devices. With a total of 3 patents to his name, Onuma's work reflects a commitment to advancing technology and innovation.
Latest Patents
One of Yoshio Onuma's latest patents is for a compound semiconductor solar cell and its production method. This invention involves laminating an indium layer and a copper layer, along with a gallium layer when necessary, on an electrode film formed on a substrate. The metallic film undergoes sulfurization or selenization treatment to create a p-type semiconductor layer made of "CuInS" or "CuInSe," among others. The p-type layer is treated with KCN to remove impurities, followed by the formation of an n-type semiconductor layer, resulting in a functional solar cell. Another notable patent is the fabrication method of a superconducting quantum interference device (DC-SQUID). This method includes forming a niobium nitride film and a silicon nitride film on a substrate, followed by oblique etching and the formation of a barrier thin film and counterelectrode of niobium.
Career Highlights
Yoshio Onuma is associated with Shinko Electric Industries Co., Ltd., where he has been instrumental in various innovative projects. His expertise in semiconductor technology has positioned him as a key figure in the industry, contributing to advancements that have practical applications in energy and electronics.
Collaborations
Throughout his career, Onuma has collaborated with notable colleagues, including Katsuyoshi Hamasaki and Kenji Takeuchi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yoshio Onuma's contributions to the field of semiconductor technology are noteworthy. His patents reflect a deep understanding of materials and processes that drive innovation in solar energy and superconducting devices. As he continues to work at Shinko Electric Industries Co., Ltd., his impact on technology and innovation is expected to grow.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.