Hisayoshi Fukui

Title: Hisayoshi Fukui: Innovator in Torque Measurement Technology

Introduction

Hisayoshi Fukui is a notable inventor based in Fukuroi, Japan. He has made significant contributions to the field of torque measurement technology, holding a total of 3 patents. His innovative designs have advanced the capabilities of torque measuring devices, making them more efficient and reliable.

Latest Patents

Fukui's latest patents include a sophisticated torque measuring device. This device features a casing made of magnetic metal, housing a rotating shaft with a magnetostrictive effect section. This section's magnetic permeability changes according to the torque transmitted. The device also includes a torque sensor arranged around the magnetostrictive effect section, which is supported by the casing. The torque sensor consists of a coil unit formed in a cylindrical shape using a flexible substrate, equipped with a detection coil that alters voltage in response to changes in magnetic permeability. Additionally, a holder made of rubber or synthetic resin covers the outer surface of the coil unit, ensuring durability and functionality.

Another patent by Fukui describes a torque measuring device that includes a coil unit with a detection coil designed to change voltage based on the magnetic permeability of the rotating shaft's magnetostrictive effect section. This device also features a back yoke arranged coaxially around the coil unit and an electronic circuit that generates an output voltage according to the detection coil's voltage. A clearance in the radial direction is maintained between the coil unit and the back yoke, allowing for linear changes in output voltage with temperature variations during use.

Career Highlights

Throughout his career, Fukui has worked with prominent companies such as NSK Corporation and Proterial, Ltd. His experience in these organizations has contributed to his expertise in developing advanced torque measurement technologies.

Collaborations

Fukui has collaborated with talented individuals in his field, including Masahiro Kobayashi and Kota Fukuda. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Hisayoshi Fukui's contributions to torque measurement technology through his patents and collaborations highlight his role as a significant inventor in this field. His work continues to influence advancements in measurement devices, showcasing the importance of innovation in engineering.