Location History:
- Sakai, JP (2012)
- Osaka, JP (2012 - 2013)
Company Filing History:
Years Active: 2012-2013
Title: Innovations by Masakazu Katou
Introduction
Masakazu Katou is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of electric power supply circuits, holding a total of 5 patents. His work focuses on enhancing the efficiency and cost-effectiveness of power supply systems.
Latest Patents
One of his latest patents is an electric power supply circuit and PAM control method designed to prevent an increase in ripple voltage of a capacitor in a smoothing circuit. This innovation aims to achieve a compact capacitor and reduce costs for capacitors in electric power supply circuits that utilize PAM control with a switching element. The circuit includes a bridge circuit for rectifying alternating current power, a smoothing circuit with two capacitors connected in series, and a PAM control section that manages the switching element's operation based on a detected phase shift of the PAM waveform.
Another significant patent is the electric power supply circuit with PAM waveform correction. This circuit features a switching element that creates a short-circuit for output power from a diode bridge circuit. It includes a zero-cross detector section to identify when the input voltage reaches a reference level, a timer section that initiates counting upon detection, and a PAM waveform output section that ensures the input current waveform approximates a sine wave. The circuit also incorporates a correction section to adjust the timer's initial count based on detection intervals.
Career Highlights
Masakazu Katou is currently employed at Daikin Industries, Ltd., where he continues to innovate in the field of electric power supply systems. His work has contributed to advancements in energy efficiency and circuit design.
Collaborations
He collaborates with talented coworkers, including Keisuke Shimatani and Ryou Nakamoto, who contribute to the innovative projects at Daikin Industries.
Conclusion
Masakazu Katou's contributions to electric power supply circuits demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of circuit design and a drive to improve technology in this essential field.