Location History:
- Hitachi, JP (1982 - 1990)
- Ibaraki, JP (1996)
Company Filing History:
5 out of 42,485 
2 out of 222 
1 out of 7 Years Active: 1982-1996
Title: Teruo Kumagai: Innovator in Superconducting Materials and Fuel Cells
Introduction
Teruo Kumagai is a distinguished inventor based in Hitachi, Japan. He has made significant contributions to the fields of superconducting materials and fuel cell technology. With a total of six patents to his name, Kumagai's work has had a profound impact on modern engineering and materials science.
Latest Patents
Kumagai's latest patents include an innovative method for producing high-temperature oxide superconducting materials. This method involves preparing a material corresponding to an oxide superconductor of the perovskite type structure, which consists of a first member selected from yttrium, lanthanoids, thallium, and bismuth, along with at least one alkaline earth metal, copper, and oxygen. The process includes heating the material in the presence of an alkali metal to promote grain growth in the superconductor material. Another notable patent is for a flexible, water-repellent baked carbon plate used in fuel cells. This invention features a catalyst layer comprising electroconductive particles and a binder on a water-repellent baked plate made from carbon paper, which is characterized by its unique structure that enhances flexibility.
Career Highlights
Throughout his career, Teruo Kumagai has worked with prominent companies such as Hitachi, Ltd. and Babcock-Hitachi Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology and materials.
Collaborations
Kumagai has collaborated with notable colleagues, including Tomoichi Kamo and Toshikatsu Mori. These partnerships have fostered a collaborative environment that has led to the successful development of his patented technologies.
Conclusion
Teruo Kumagai's contributions to the fields of superconducting materials and fuel cells exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving material properties and performance, making him a significant figure in the world of invention.
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.