Location History:
- Totsuka-ku, Yokohama-shi, Kanagawa-ken, JP (1989)
- Yokohama-shi, Kanagawa-ken, JP (1989)
- Mito, JP (1992 - 2014)
Company Filing History:
2 out of 155 
2 out of 42,496 
2 out of 162 Years Active: 1989-2014
Title: Norio Kawashima: Innovator in Nuclear Reactor Technology
Introduction
Norio Kawashima is a prominent inventor based in Mito, Japan, known for his significant contributions to nuclear reactor technology. With a total of nine patents to his name, Kawashima has made notable advancements in the design and functionality of control rods used in boiling water reactors.
Latest Patents
Kawashima's latest patents include innovative designs for control rods in boiling water reactors. One of his patents describes a control rod featuring a structural element with four mutually-perpendicular blades, each containing a neutron absorber-filling region. This design includes multiple regions along the axial direction of the control rod, enhancing its efficiency and effectiveness. Another patent outlines a control rod that incorporates a tie-rod, a handle, and sheaths with a U-shaped cross-section, which are welded at various points along the tie-rod. This design ensures optimal placement of the neutron-absorbing member, improving the overall performance of the control rod.
Career Highlights
Throughout his career, Kawashima has worked with notable companies, including Hitachi-GE Nuclear Energy, Ltd. His work has focused on enhancing the safety and efficiency of nuclear reactors, contributing to advancements in energy technology.
Collaborations
Kawashima has collaborated with esteemed colleagues such as Yoshiharu Kikuchi and Yasuyuki Gotoh, furthering the development of innovative solutions in the field of nuclear energy.
Conclusion
Norio Kawashima's contributions to nuclear reactor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in energy safety and efficiency.