Tomokazu Uchiyama

Title: Tomokazu Uchiyama: Innovator in Brushless DC Motor Technology

Introduction: Tomokazu Uchiyama is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of brushless DC motors. His innovative designs have paved the way for advancements in various applications.

Latest Patents: Uchiyama holds a patent for a brushless DC motor. This motor features a rotor that includes a motor shaft, a rotor yoke mounted on the motor shaft, and a ring-shaped magnet that is magnetized with multiple magnet poles in the circumferential direction. The rotor yoke holds the magnet securely. The stator consists of first and second stator yokes, each having main magnetic poles extending radially from the center. Additionally, it includes magnetic pole pieces that extend vertically from the tip ends of the main magnetic poles along the inner surface of the ring-shaped magnet. A center yoke surrounds the motor shaft, connecting the first and second stator yokes magnetically. The winding assembly features an annular winding, and a printed wiring board is used to mount the annular winding, an electromagnetic conversion element, and a driving circuit.

Career Highlights: Uchiyama is currently employed at Japan Servo Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and performance of brushless DC motors.

Collaborations: Uchiyama has collaborated with notable colleagues, including Shoji Ohiwa and Kouji Yoneda. Their combined expertise has contributed to the successful development of advanced motor technologies.

Conclusion: Tomokazu Uchiyama is a distinguished inventor whose work in brushless DC motors exemplifies innovation in electrical engineering. His contributions continue to influence the industry and inspire future advancements.