Hiroyuki Motohashi

Title: Hiroyuki Motohashi: Innovator in Kinetofrictional Force Testing

Introduction

Hiroyuki Motohashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of testing apparatuses, particularly with his innovative designs that enhance the accuracy and efficiency of frictional force measurements.

Latest Patents

Motohashi holds a patent for a Kinetofrictional Force Testing Apparatus. This apparatus features a spindle that is rotated by a variable speed motor. A load cell is positioned in opposition to a disk that is coupled to the spindle. The design includes a test head for the disk, a rotational frequency controlling synthesizer, and a personal computer for general control. The motor's rotational speed is adjusted based on clock pulses from the synthesizer, which is linked to the personal computer. The rotational frequency and acceleration/deceleration of the disk are digitally controlled by a predetermined program set in the computer. The test head is supported by a leaf spring with strain gauges mounted on its lateral surfaces, allowing for precise measurement of frictional forces through the output of the strain gauges. Motohashi has 1 patent to his name.

Career Highlights

Throughout his career, Motohashi has worked with several prominent companies, including Onoda Cement Co., Ltd. and Koyo Precision Instruments, Inc. His experience in these organizations has contributed to his expertise in developing advanced testing technologies.

Collaborations

Motohashi has collaborated with notable individuals in his field, including Hiroshi Uchikawa and Mutsuo Munekata. These partnerships have likely fostered innovation and the exchange of ideas in the realm of testing apparatuses.

Conclusion

Hiroyuki Motohashi's contributions to the field of kinetofrictional force testing exemplify his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.