Company Filing History:
2 out of 52,735 
1 out of 832,843 Years Active: 2002-2015
Title: Hitoshi Sakakida: Innovator in Turbine Technology
Introduction
Hitoshi Sakakida is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of turbine technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and reliability of turbine systems.
Latest Patents
One of Sakakida's latest patents is a blade vibration measuring apparatus. This innovative device features a contactless displacement sensor that measures the displacement of a turbine moving blade in the rotation axis direction. It includes a blade top position identifying device that determines the top position of the blade based on the distance measured by the sensor. Additionally, a blade vibration calculating device computes the vibration amplitude and frequency of the turbine moving blade, providing valuable data for performance analysis.
Another significant patent is for a steam turbine design. This steam turbine includes a casing, a rotor, and a nozzle diaphragm that is concentrically arranged with respect to the rotor. The design incorporates moving blades positioned around the rotor and features seal strips that extend radially outward. An abradable structure is also included, which is made of an abradable material and is designed to face the seal strips, enhancing the turbine's operational efficiency.
Career Highlights
Sakakida has worked with prominent companies, including Kabushiki Kaisha Toshiba. His experience in these organizations has allowed him to develop and refine his innovative ideas in turbine technology.
Collaborations
Throughout his career, Hitoshi Sakakida has collaborated with notable professionals in the field, including Hidehiko Kuroda and Shigeru Kanemoto. These collaborations have contributed to the advancement of turbine technology and the successful development of his patents.
Conclusion
Hitoshi Sakakida is a distinguished inventor whose work in turbine technology has led to several important patents. His innovative designs and collaborative efforts continue to influence the industry, showcasing his commitment to advancing engineering solutions.