Shoji Ohiwa

Title: The Innovative Contributions of Shoji Ohiwa

Introduction

Shoji Ohiwa is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced rotary machines. With a total of 17 patents to his name, Ohiwa's work has had a substantial impact on the industry.

Latest Patents

Ohiwa's latest patents include a multiphase claw-pole type electric rotary machine and a cogging torque adjustment system. The multiphase claw-pole type electric rotary machine features two or more phase-stator units arranged in an axial direction. Each phase stator unit consists of complementary-opposed claw pole core blocks and a ring-shaped stator coil. This innovative design allows for rotatable adjustment of the stator units while maintaining concentricity. Another notable invention is the claw-teeth-type rotating electrical machine, which aims to reduce vibration and noise while utilizing reluctance torque. This machine includes a rotor with permanent magnets and a stator with an annular core and coil, designed to optimize magnetic flux.

Career Highlights

Throughout his career, Ohiwa has worked with notable companies such as Japan Servo Co., Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His experience in these organizations has contributed to his expertise in electrical machinery and innovation.

Collaborations

Ohiwa has collaborated with talented individuals in the field, including Yuji Enomoto and Motoya Ito. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Shoji Ohiwa's contributions to electrical engineering through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in rotary machines and electrical systems.