Hirokazu Yamasaki

Title: **Hirokazu Yamasaki: Innovative Mind from Osaka**

Introduction

Hirokazu Yamasaki is a notable inventor based in Osaka, Japan, recognized for his contributions to the field of vibration actuating technology. With three patents to his name, Yamasaki's work has significantly impacted the design and functionality of various devices.

Latest Patents

His latest patents include a vibration linear actuating device and a method of driving the same device, which features a vibrating linear actuator paired with a driver for optimally powering the actuator. This innovative device consists of a mover equipped with a permanent magnet aligned radially, a stator with a coil positioned facing the magnet, and an elastic body linking the stator to the mover. The driver encompasses a section with a switching element to energize the coil, an output controller to manage the switching element, and a zero-cross detector that identifies the back electromotive force's zero-cross point in the coil, enhancing feedback efficiency.

Yamasaki has also developed a motor controller that integrates a position sensing device to detect motor magnetic poles and effectively drive the motor. This system uses a superposed-wave transmitter and a serial converter to transmit information about phase-excitation switching over a wiring section formed by a pair of cables, ensuring efficient communication between components.

Career Highlights

Hirokazu Yamasaki’s professional journey predominantly unfolds at Matsushita Electric Industrial Co., Ltd., a leading company in electronics innovation. His expertise in vibration technology and motor control systems has made him an essential contributor to the company's research and development efforts.

Collaborations

Yamasaki collaborates closely with talented coworkers, including Koji Kameda and Hiromi Tanoue, to push the boundaries of technological innovation. Together, they work on advancing the capabilities of electric devices and contributing to the overall growth of the industry.

Conclusion

Hirokazu Yamasaki stands out as a pioneering inventor in the realm of vibration linear actuating devices, with his latest patents paving the way for future advancements. His continued work at Matsushita Electric Industrial Co., Ltd. and collaboration with fellow innovators highlight his commitment to enhancing technology through innovative design and functionality.