Hakaru Sasaki

Title: Hakaru Sasaki: A Pioneer in Magnetic Shielding Innovations

Introduction

Hakaru Sasaki is an accomplished inventor based in Matsue, Japan, known for his significant contributions to the field of magnetic materials. With a total of 10 patents to his name, Sasaki has driven advancements in magnetic shielding technology, which are crucial for a variety of applications in electronics and engineering.

Latest Patents

Sasaki's most recent patents include innovations such as a magnetic shielding material, a magnetic shielding component, and a magnetic shielding room. The magnetic shielding material is engineered to exhibit excellent magnetic shielding properties at low magnetic fields. The material is comprised of specific components by mass: 70.0-85.0% Nickel (Ni), 0.6% or less Copper (Cu), 10.0% or less Molybdenum (Mo), and 2.0% or less Manganese (Mn), with the balance being predominantly Iron (Fe). Notably, this material achieves a relative magnetic permeability of 40,000 or more under a magnetic field of 0.05 A/m, alongside a squareness ratio of 0.85 or less, parameters critical for efficient magnetic shielding.

In addition, he has developed a rotary machine featuring a bypass magnetic path blocking barrier. This innovative design consists of a rotor with magnetic poles and a stator comprising a stator yoke portion that forms the iron core. The rotor is constructed from a unique metallic material featuring both ferromagnetic and non-magnetic parts, which effectively enhances the torque generated and improves mechanical strength during high-speed operation. This rotary machine is particularly advantageous for electric vehicles, demonstrating Sasaki's commitment to sustainable technology.

Career Highlights

Sasaki has had an impactful career, with tenure at notable companies such as Hitachi Metals, Ltd. His expertise in magnetic materials and engineering has culminated in a robust portfolio of patents that reflect both innovation and practicality in their applications.

Collaborations

Throughout his career, Sasaki has collaborated with prominent figures in the field, including renowned co-inventors Shuichi Nakamura and Tsutomu Inui. These collaborations have further enriched his work, fostering an environment of creativity and mutual advancement in technology.

Conclusion

Hakaru Sasaki’s contributions to the field of magnetic materials are remarkable, marked by his innovative patents and collaborations. His inventions not only enhance the performance of electrical devices but also pave the way for future advancements in magnetic shielding technology. As the demand for high-performance materials continues to grow, inventors like Sasaki will remain at the forefront of innovation.