Location History:
- Kawasaki, JA (1978)
- Kawasaki, JP (1983)
- Kanagawa, JP (1984 - 1992)
- Yokosuka, JP (1995)
Company Filing History:
8 out of 4,800 
2 out of 41 
1 out of 1 Years Active: 1978-1995
Title: The Innovations of Koichi Tsuda
Introduction
Koichi Tsuda is a prominent inventor based in Kanagawa, Japan. He holds a total of nine patents, showcasing his significant contributions to the field of superconductivity and electronic components. His work has been influential in advancing technology and improving the performance of electronic devices.
Latest Patents
One of Tsuda's latest patents is the "Superconducting FET with Pr-Ba-Cu-O channel." This invention describes a superconducting transistor that features superior withstand voltage, with source and drain regions formed of oxide superconductors. The intermediate region is composed of either a PrBa₂Cu₃O₇-x layer or an ScBa₂Cu₃O₇-x layer, which is sandwiched between the source and drain regions. An insulation layer is placed on the intermediate region, allowing the transistor to function as an insulator when the gate is turned off and as a superconductor when the gate is activated.
Another notable patent is the "Voltage-dependent nonlinear resistor." This invention utilizes a sintered composition of zinc oxide (ZnO) as the primary component, combined with various auxiliary elements such as rare earth elements, cobalt, and other metals. This innovative resistor design enhances the performance and reliability of electronic circuits.
Career Highlights
Throughout his career, Koichi Tsuda has worked with esteemed companies, including Fuji Electric Co., Ltd. and Fuji Electric Corporate Research & Development, Ltd. His experience in these organizations has allowed him to develop groundbreaking technologies and contribute to significant advancements in the field.
Collaborations
Tsuda has collaborated with notable colleagues, including Kazuo Mukae and Ikuo Nagasawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Koichi Tsuda's contributions to the field of superconductivity and electronic components are noteworthy. His innovative patents and collaborations have significantly impacted technology, making him a respected figure in the industry.
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.