Location History:
- Sendai, JP (1997)
- Tokyo, JP (1995 - 1998)
Company Filing History:
5 out of 128 
5 out of 66 
4 out of 10,264 
Years Active: 1995-1998
Title: Kazuyuki Isawa: Innovator in Oxide Superconductors
Introduction
Kazuyuki Isawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of oxide superconductors. With a total of five patents to his name, Isawa has made remarkable advancements that enhance the performance of superconducting materials.
Latest Patents
One of Isawa's latest patents is focused on an oxide superconductor and the process of producing it. This invention addresses the hole density of an oxide superconductor, which can be optimized to achieve a higher critical temperature (Tc) by treating the material in an oxidizing gas atmosphere or by substituting positive ions with low valence ions. This innovation allows for a substantial reduction in the decrease of critical current density when exposed to magnetic fields, thereby improving the performance of current conductors made from these superconductors. Another notable patent is a method of manufacturing oxide superconductors, which involves mixing oxide materials, molding them into a desired shape, and applying a heat treatment within a hermetic container. This method ensures a solid phase reaction of the oxide materials, leading to enhanced superconducting properties.
Career Highlights
Kazuyuki Isawa has worked with notable organizations such as the International Superconductivity Technology Center and Sumitomo Electric Industries, Limited. His experience in these companies has allowed him to collaborate with leading experts in the field and contribute to groundbreaking research in superconductivity.
Collaborations
Isawa has collaborated with esteemed colleagues, including Ayako Yamamoto and Makoto Itoh, further enriching his research and development efforts in oxide superconductors.
Conclusion
Kazuyuki Isawa's innovative work in oxide superconductors has significantly impacted the field, leading to advancements that enhance the performance of superconducting materials. His contributions continue to influence research and development in this critical area of technology.