Location History:
- Zushi, JP (2002 - 2004)
- Yokohama, JP (2009)
- Yokohama Kanagawa, JP (2022)
Company Filing History:
5 out of 52,751 
2 out of 1,514 Years Active: 2002-2022
Title: Katsutoshi Moriyama: Innovator in Motor Control Technology
Introduction
Katsutoshi Moriyama is a notable inventor based in Yokohama, Kanagawa, Japan. He has made significant contributions to the field of motor control technology, holding a total of 5 patents. His innovative work has advanced the efficiency and functionality of motor systems.
Latest Patents
Moriyama's latest patents include a motor control device and a control device for a motor drive system. The motor control device features an acquisition unit that captures an analog signal indicating the rotational position of a motor. It also includes an AD conversion unit that converts this analog signal into a digital value. The calculation unit estimates the slope of the waveform of the analog signal and determines the intersection timing with a threshold. The drive control unit then manages the motor's driving based on the rotation cycle derived from multiple intersection timings.
The control device for the motor drive system determines whether the phase of a rotor in a stepping motor is ahead of or behind a target phase. It selects a correction value for the drive current control based on this determination and adjusts the control value accordingly to drive the stepping motor effectively.
Career Highlights
Throughout his career, Moriyama has worked with prominent companies such as Toshiba Corporation and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in motor control.
Collaborations
Moriyama has collaborated with notable colleagues, including Kunihiko Kodama and Akira Hikimura. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Katsutoshi Moriyama's contributions to motor control technology exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to enhancing the performance of motor systems, making him a significant figure in the field.