This inventor holds 7 USPTO granted patents. Top assignees: National Institute for Materials Science, Central Japan Railway Company, Hitachi, Ltd.. Active years: 2001-2025.
Location History:
- Tsukuba, JP (2003 - 2010)
- Ibaraki, JP (2001 - 2012)
Company Filing History:



Years Active: 2001-2025
Title: Hitoshi Kitaguchi: Innovator in Superconducting Materials
Introduction
Hitoshi Kitaguchi is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of materials science, particularly in superconducting materials. With a total of 7 patents to his name, Kitaguchi's work has had a substantial impact on various technological advancements.
Latest Patents
Among his latest patents is a copper-coated aluminum wire material and its production method. This innovation includes an aluminum wire material coated with a thin film of copper, where the space factor of the copper film ranges from 0.2% to 4%. Another notable patent involves a fabrication method for magnesium diboride (MgB) superconducting tape and wire. This method utilizes a MgB superconducting powder characterized by high critical current density due to its lowered crystallinity, ensuring excellent grain connectivity. The process aims to produce MgB superconducting tape and wire with high performance and consistent quality throughout its length.
Career Highlights
Hitoshi Kitaguchi has worked with esteemed organizations such as the National Institute for Materials Science and Central Japan Railway Company. His experience in these institutions has allowed him to develop and refine his innovative ideas in superconducting materials.
Collaborations
Throughout his career, Kitaguchi has collaborated with notable colleagues, including Hiroaki Kumakura and Kazumasa Togano. These partnerships have contributed to the advancement of research and development in the field of materials science.
Conclusion
Hitoshi Kitaguchi's contributions to superconducting materials and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in technology and materials science.