Location History:
- Palo Alto, CA (US) (1998)
- Suita, JP (1998)
- Tokyo, JP (2008)
- Osaka, JP (1994 - 2015)
Company Filing History:
5 out of 27,375 
5 out of 10,264 
2 out of 128 
Years Active: 1994-2015
Title: Katsuya Hasegawa: Innovator in Superconducting Technology
Introduction
Katsuya Hasegawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of superconducting technology, holding a total of 10 patents. His work focuses on developing advanced superconducting devices that enhance performance and efficiency.
Latest Patents
Hasegawa's latest patents include a fault current limiter that utilizes superconductors to rapidly restore a superconducting state after a current limiting operation. This innovative device is designed to perform current limiting operations through a superconducting member, which consists of a holding container, a filler, and a superconducting wire. The cooling container holds the superconducting member and a coolant for effective cooling. Additionally, the suppression member, or fins, prevents the coolant from transitioning to a film boiling state during temperature rises.
Another notable patent involves a method of manufacturing superconducting thin film material. This method includes both vapor phase and liquid phase steps to form superconducting layers that improve critical current values. The process also allows for the formation of an intermediate layer between the superconducting layer and a metal substrate, enhancing the overall performance of the superconducting device.
Career Highlights
Throughout his career, Hasegawa has worked with esteemed companies such as Matsushita Electric Industrial Co., Ltd. and Sumitomo Electric Industries, Limited. His experience in these organizations has contributed to his expertise in superconducting technologies and innovations.
Collaborations
Hasegawa has collaborated with notable coworkers, including Kazuki Ninomiya and Tamotsu Nishiyama. Their joint efforts have further advanced the field of superconducting technology and led to the development of groundbreaking inventions.
Conclusion
Katsuya Hasegawa is a distinguished inventor whose work in superconducting technology has made a significant impact. His innovative patents and collaborations highlight his dedication to advancing this critical field.