Company Filing History:
Years Active: 1987
Title: Hisao Nakagawa: Innovator in PTC Heating Technology
Introduction
Hisao Nakagawa is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of heating technology, particularly through his innovative work on PTC heating elements. His expertise and inventions have garnered attention in the industry.
Latest Patents
Hisao Nakagawa holds 1 patent for a PTC heating apparatus. This invention features a PTC heating element with a honeycomb ceramic body that comprises barium titanate and a semiconductor element. This unique design provides the ceramic body with a positive temperature coefficient of resistance over the Curie point. The electrodes deposited on each end of the honeycomb body exhibit non-ohmic properties, which is a significant advancement over conventional ohmic electrodes. This innovation effectively reduces high rush current and migration, enhancing the performance and safety of heating applications.
Career Highlights
Hisao Nakagawa is currently associated with TDK Electronics Company, Limited, where he continues to develop and refine his inventions. His work has positioned him as a key figure in the advancement of heating technologies.
Collaborations
Hisao Nakagawa has collaborated with notable coworkers, including Kazumasa Umeya and Ryoichi Shioi. Their combined efforts contribute to the innovative environment at TDK Electronics.
Conclusion
Hisao Nakagawa's contributions to PTC heating technology exemplify the impact of innovative thinking in engineering. His patent for a PTC heating apparatus showcases his commitment to advancing technology in this field.