This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1985-1992.
Company Filing History:
3 out of 42,719 
2 out of 162 Years Active: 1985-1992
Title: Ryozo Tsuruoka: Innovator in Reactor Technology
Introduction
Ryozo Tsuruoka is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of reactor technology, holding a total of 3 patents. His work focuses on improving the efficiency and safety of reactor systems.
Latest Patents
One of Tsuruoka's latest patents is an "Apparatus for cleaning up reactor coolant and method of controlling the." This invention includes a piping system designed to extract water from a reactor core, which is separate from the primary loop recirculation piping. The open end of this piping is strategically located at the bottom of the reactor pressure vessel, extending upward and through the side wall of the vessel. A siphon brake valve is included near the highest position of the piping outside the reactor pressure vessel.
Another significant patent is for a "Natural circulation type boiling light-water reactor." This reactor design features a pressure vessel and a reactor core that heats light water to generate main steam. The steam outlet is integrated into the wall of the pressure vessel, allowing for efficient steam flow to a turbine system. The design includes a steam guide and a radially increased chimney to reduce the velocity of the main steam, which helps in minimizing the inventory of radioactive isotopes in the steam directed towards the turbine.
Career Highlights
Ryozo Tsuruoka has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in reactor technology.
Collaborations
Throughout his career, Tsuruoka has collaborated with talented individuals, including Tadakazu Nakayama and Kazuhito Koyama. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.
Conclusion
Ryozo Tsuruoka's contributions to reactor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, ensuring safer and more efficient reactor systems.