Akinobu Shionoya

Title: Akinobu Shionoya: Innovator in Concrete Vibrator Technology

Introduction

Akinobu Shionoya is a notable inventor based in Musashino, Japan. He is recognized for his innovative contributions to the field of concrete technology, particularly through his development of a unique concrete vibrator.

Latest Patents

Shionoya holds a patent for a concrete vibrator that employs a sensorless semiconductor motor for driving an exciter. This innovative design utilizes a voltage induced from three-phase stator windings to sense the rotational position of the permanent magnet rotor. This method avoids the use of a Hall element, which is often susceptible to damage from vibration and heat, thus enhancing environmental resistance. The motor's current supply is controlled by a semiconductor inverter, managed through a PWM or PAM system, ensuring efficient operation.

Career Highlights

Throughout his career, Akinobu Shionoya has worked with prominent companies, including Sinano Electric Co., Ltd. and Mikasa Sangyo Kabushiki Kaisha. His experience in these organizations has contributed significantly to his expertise in electrical engineering and innovation.

Collaborations

Shionoya has collaborated with notable individuals in his field, including Kenji Yoshida and Kazuo Matsushita. These partnerships have likely fostered a creative environment that has led to advancements in technology.

Conclusion

Akinobu Shionoya's contributions to concrete vibrator technology exemplify his innovative spirit and dedication to improving engineering solutions. His work continues to influence the industry and showcases the importance of resilience in design.