Hirofumi Fukumaru

Title: Hirofumi Fukumaru: Innovator in Link Actuation Technology

Introduction

Hirofumi Fukumaru is a notable inventor based in Iizuka, Japan. He has made significant contributions to the field of link actuation technology, holding a total of 3 patents. His work focuses on developing advanced devices that enhance the functionality and efficiency of link mechanisms.

Latest Patents

Fukumaru's latest patents include a "Link Actuation Device and Method for Driving Link Actuation Device." This invention features a proximal link hub, a distal link hub, and link mechanisms that couple the two hubs. The device incorporates an actuator with motors for each link mechanism and a control device that stores a map of drive command values for various positions of the distal link hub. The control device can interpolate command values for movements that do not coincide with predefined positions, utilizing a polynomial curved surface formula.

Another significant patent is the "Link Actuation Apparatus," which actuates a parallel link mechanism using a spherical drive mechanism. This apparatus includes a controller that calculates the attitude of a second link hub based on spherical trigonometry. It is capable of performing forward transformation in real time, enhancing the precision and responsiveness of the link actuation system.

Career Highlights

Throughout his career, Fukumaru has worked with prominent organizations such as NTN Corporation and Kyushu Institute of Technology. His experience in these institutions has allowed him to refine his skills and contribute to innovative projects in the field of link actuation.

Collaborations

Fukumaru has collaborated with talented individuals, including Akihiro Hayashi and Hideki Matsuzawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hirofumi Fukumaru is a distinguished inventor whose work in link actuation technology has made a significant impact in the field. His innovative patents and collaborations highlight his dedication to advancing technology and improving device functionality.