Makoto Fujishima

Title: Makoto Fujishima: Innovator in Pump Control Technology

Introduction

Makoto Fujishima is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of pump control technology, holding a total of 7 patents. His innovative designs have advanced the efficiency and functionality of various motor-driven devices.

Latest Patents

Fujishima's latest patents include a pump control device and a motor design. The pump control device is engineered for a pump utilizing a DC brushless motor. It adjusts the flow rate of the pump based on the motor's rotational speed. When the motor's speed exceeds a predetermined threshold, it operates under open loop control. Conversely, when the speed falls below this threshold, it switches to closed loop control, utilizing actual rotational speed measurements for precise operation. His motor design features a base plate, a bearing holder with a through hole, and a stator fixed to the bearing holder. The rotor is supported by bearings and includes a magnet fixed to its case. This innovative structure enhances the motor's performance and reliability.

Career Highlights

Throughout his career, Fujishima has worked with prominent companies such as Sankyo Seiki Mfg. Co., Ltd and Nidec Sankyo Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the industry.

Collaborations

Fujishima has collaborated with talented individuals in his field, including Shigeru Kasai and Hisashi Fukuzawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Makoto Fujishima's contributions to pump control technology and motor design exemplify his innovative spirit and dedication to advancing engineering solutions. His work continues to influence the industry and inspire future inventors.