Company Filing History:
Years Active: 2018-2025
Title: Hirokazu Sambonsuge: Innovator in Motor Control Technology
Introduction
Hirokazu Sambonsuge is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of motor control technology, holding 2 patents that showcase his innovative approach to vehicle systems.
Latest Patents
One of his latest patents is a "Motor control device using temperature determination." This invention involves a position estimation system in a vehicle that includes various sensors and a control device. The position estimation device determines weights for multiple pieces of information related to the vehicle's state and surrounding environment, such as vehicle speed and steering angle. It selects feature point groups to estimate the vehicle's position based on these weights. Another significant patent is the "Motor control device," which reduces unintended torque in the motor caused by the q-axis current during the discharging of the smoothing capacitor. This device controls a system that includes an inverter and a motor, ensuring efficient operation through precise current management.
Career Highlights
Hirokazu has worked with prominent companies in the automotive sector, including Hitachi Automotive Systems and Hitachi Astemo. His experience in these organizations has allowed him to develop and refine his innovative ideas in motor control technology.
Collaborations
Throughout his career, Hirokazu has collaborated with talented individuals such as Kohei Myoen and Kazuto Oyama. These partnerships have contributed to the advancement of his projects and innovations.
Conclusion
Hirokazu Sambonsuge is a distinguished inventor whose work in motor control technology has made a significant impact in the automotive industry. His patents reflect his commitment to innovation and excellence in engineering.