This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1991.
Company Filing History:
1 out of 162 
1 out of 42,726 
Years Active: 1991
Title: Nobukatsu Iwata: Innovator in Reactor Technology
Introduction
Nobukatsu Iwata is a notable inventor from Hitachi, Japan, recognized for his contributions to reactor technology. He holds a patent for a natural circulation type boiling light-water reactor, which showcases his innovative approach to enhancing reactor efficiency and safety.
Latest Patents
Iwata's patent, titled "Natural circulation type boiling light-water reactor," involves a design that includes a pressure vessel and a reactor core. This invention heats light water to generate main steam, which is then directed to a turbine system. The design features a steam outlet and a steam path that prolongs the flow of steam, allowing radioactive isotopes to remain within the pressure vessel longer than their half-life. This results in a significant reduction of radioactive isotopes in the steam directed towards the turbine, thereby minimizing the size and weight of necessary shielding structures.
Career Highlights
Throughout his career, Nobukatsu Iwata has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His work has significantly impacted the field of nuclear engineering, particularly in improving the safety and efficiency of boiling water reactors.
Collaborations
Iwata has collaborated with esteemed colleagues, including Tsuyoshi Niino and Tadakazu Nakayama, contributing to advancements in reactor technology.
Conclusion
Nobukatsu Iwata's innovative work in reactor technology, particularly his patent for a natural circulation type boiling light-water reactor, highlights his significant contributions to the field. His efforts have paved the way for safer and more efficient nuclear energy solutions.