Choji Hatsugai

Title: Choji Hatsugai: Innovator in Milling Technology

Introduction

Choji Hatsugai is a notable inventor based in Utsunomiya, Japan. He has made significant contributions to the field of milling technology, holding a total of 2 patents. His innovative approaches have advanced the efficiency and effectiveness of milling processes.

Latest Patents

Hatsugai's latest patents include a roll mill with automatic control of roll-to-roll distance and inter-roll pressure. This roll mill features a fixed roll and a transfer roll that can be adjusted by a servomotor and a ball screw. A laser sensor measures the distance between the rolls, while a load sensor monitors the pressing force. An electronic automatic control device ensures that both the distance and the pressing force remain constant through feedback from the sensors.

Another significant patent is for a dispersing or milling apparatus and method. This invention involves stirring a material containing solid particles in a liquid along with milling media, while simultaneously irradiating it with ultrasonic waves. The ultrasonic waves create cavitation, leading to shock waves that cause solid particles to collide and mill down to nanometer sizes. This method can produce nanoparticles with an average size of at most 100 nm on a commercial scale.

Career Highlights

Throughout his career, Choji Hatsugai has worked with reputable organizations such as Inoue Manufacturing, Inc. and the National Institute for Materials Science. His work has been instrumental in developing advanced milling technologies that are widely used in various industries.

Collaborations

Hatsugai has collaborated with notable individuals in his field, including Yoshitaka Inoue and Takashi Suzuki. These collaborations have further enhanced his innovative contributions to milling technology.

Conclusion

Choji Hatsugai is a distinguished inventor whose work in milling technology has led to significant advancements in the field. His patents reflect a commitment to innovation and efficiency, making him a key figure in the industry.