Location History:
- Chigasaki, JP (2014)
- Kanagawa-Ken, JP (2014)
Company Filing History:
Years Active: 2014
Title: Masahiko Warashina: Innovator in Jet Pump Technology
Introduction
Masahiko Warashina is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of jet pump technology, holding 2 patents that showcase his innovative approach to engineering challenges.
Latest Patents
Warashina's latest patents include a jet pump and a method for restraining vibration of the same. This jet pump is designed to mitigate self-excited vibrations at the connection between an inlet mixer pipe and a diffuser pipe. It features a slip joint structure that allows for thermal expansion without compromising the pump's integrity. Additionally, he has developed a vibration monitoring apparatus that utilizes ultrasonic waves to monitor vibrations in a jet pump located within a reactor pressure vessel. This apparatus includes an ultrasonic sensor, a reflector mounted on the riser pipe, and a signal processing unit that measures vibration amplitude and calculates vibration waveforms.
Career Highlights
Warashina is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate and contribute to advancements in technology. His work has been instrumental in enhancing the performance and reliability of jet pumps in various applications.
Collaborations
Throughout his career, Warashina has collaborated with esteemed colleagues such as Masanobu Watanabe and Tsuyoshi Hagiwara. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Masahiko Warashina's contributions to jet pump technology and his innovative patents reflect his dedication to engineering excellence. His work continues to influence the field and inspire future advancements in technology.