Location History:
- Kasumigaura, JP (2013 - 2015)
- Tokyo, JP (2005 - 2021)
Company Filing History:
4 out of 35,658 
3 out of 42,485 
2 out of 651 Years Active: 2005-2021
Title: Kazuyuki Yamaguchi: Innovator in Magnetic Bearings and Turbomachines
Introduction
Kazuyuki Yamaguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of magnetic bearings and turbomachines. With a total of 10 patents to his name, Yamaguchi's work focuses on enhancing the efficiency and stability of mechanical systems.
Latest Patents
One of Yamaguchi's latest patents is a control device for magnetic bearings and a control method. This invention aims to reduce the load on a control device by reliably classifying vibration modes of a rotor. It facilitates the stabilization design of a magnetic bearing. The invention includes magnetic bearings with electromagnets that contactlessly support the rotor through magnetic attraction forces. Additionally, displacement sensors measure the inclinations at both ends of the rotor, allowing for controlled magnetic attraction forces based on these measurements.
Another notable patent is related to turbomachines. This invention addresses the leakage of a working fluid from a shaft sealing device in turbomachines that handle liquids. Yamaguchi's design reduces unstable fluid forces acting on the rotor. The turbomachine features a rotor with an impeller, a bearing for support, and a casing that forms a stationary flow passage. The shaft sealing device is designed to minimize leakage through a gap between the casing and the rotor, enhancing overall efficiency.
Career Highlights
Kazuyuki Yamaguchi has worked with notable companies such as NEC Corporation and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in the field of mechanical engineering and innovation.
Collaborations
Yamaguchi has collaborated with talented individuals in his field, including Akira Endo and Yohei Magara. These collaborations have likely enriched his work and led to further advancements in technology.
Conclusion
Kazuyuki Yamaguchi is a distinguished inventor whose work in magnetic bearings and turbomachines has made a significant impact on engineering. His innovative patents reflect his commitment to improving mechanical systems and enhancing their efficiency.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.