Yoshinari Satoh

Title: The Innovative Contributions of Yoshinari Satoh

Introduction

Yoshinari Satoh, a distinguished inventor based in Kawasaki, Japan, has made significant strides in the field of electrical engineering. With a total of two patents to his name, Satoh's work focuses primarily on improving materials used in vacuum interrupters, which are critical components in electrical power systems.

Latest Patents

Satoh’s latest innovations include two related patents concerning contact forming materials for vacuum interrupters. The first patent outlines an Ag-Cu-WC contact forming material that effectively combines a highly conductive component—comprising silver (Ag) and copper (Cu)—with an arc-proof component made of tungsten carbide (WC). The formulation specifies that the total weight of the Ag and Cu should range from 25% to 65%, with Ag accounting for 40% to 80% of this mixture. The design aims for an optimal structure where the highly conductive component features a matrix with a discontinuous phase not exceeding 5 micrometers in thickness, while the arc-proof component maintains a grain size of no more than 1 micrometer.

The second patent reiterates the focus on contact forming materials by specifying the ingredient proportions further. It describes a similar composition of 25% to 65% by weight of the conductive component and 35% to 75% by weight of an arc-proof element, which could include materials such as titanium (Ti), vanadium (V), chromium (Cr), zirconium (Zr), molybdenum (Mo), tungsten (W) and their carbides or borides. This patent introduces a more intricate structure for the highly conductive regions, incorporating both a finely dispersed first region and a coarser second region to enhance electrical performance.

Career Highlights

Yoshinari Satoh currently works at Kabushiki Kaisha Toshiba, a name synonymous with innovation in technology and electronics. His contributions in material science have positioned him as a key contributor within his organization. His expertise not only enhances the efficiency of vacuum interrupters but also supports Toshiba's sustained commitment to advancing power technology.

Collaborations

In his professional journey, Satoh collaborates with esteemed colleagues, including Tsutomu Okutomi and Mikio Okawa. Their combined efforts exemplify the collaborative spirit within the research and development teams, fostering an environment of creativity and technological advancement.

Conclusion

Yoshinari Satoh's work in developing effective contact forming materials for vacuum interrupters stands out in the realm of electrical engineering. With two significant patents to his credit, he demonstrates a strong commitment to innovation and excellence. His association with Toshiba and collaboration with adept colleagues further underscores his integral role in shaping the future of electrical technology.