This inventor holds 25 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Renesas Technology Corp., Mitsubishi Electric Engineering Company, Limited. Active years: 1993-2019.
Location History:
- Itami, JP (1997)
- Hyogo, JP (1993 - 2005)
- Chiyoda-ku, JP (2005)
- Tokyo, JP (1997 - 2019)
Company Filing History:




Years Active: 1993-2019
Title: The Innovative Contributions of Satoshi Kumaki
Introduction
Satoshi Kumaki, a prolific inventor based in Hyogo, Japan, holds 25 patents that significantly contribute to the field of power electronics. His inventive solutions are aimed at enhancing the efficiency and functionality of various semiconductor devices and power source applications.
Latest Patents
Satoshi's latest innovations include a switching power source device, a semiconductor device, and an AC/DC converter. The switching power source device is designed to control the current flowing through a coil by utilizing PWM (Pulse Width Modulation) control. It achieves a desired DC voltage by toggling a switching element on and off. During the PWM ON period, the device employs a first pulse signal for initial switching control, which has a cycle shorter than the PWM cycle. This method allows for an increased pulse width over time, effectively reducing harmonic noise and enhancing performance in electronic applications.
Career Highlights
Throughout his career, Satoshi has worked with notable companies, including Mitsubishi Electric Corporation and Renesas Technology Corporation. His extensive experience in these esteemed organizations has shaped his expertise in developing cutting-edge electrical devices and systems.
Collaborations
Satoshi Kumaki has collaborated with talented individuals such as Tetsuya Matsumura and Atsuo Hanami. Their combined efforts have propelled advancements in electronic circuits, showcasing the importance of teamwork in innovative endeavors.
Conclusion
Satoshi Kumaki's contributions to the field of power electronics illustrate the impact of dedicated inventors on modern technology. His latest patents embody his commitment to innovation, while his collaborations reflect the collaborative nature of successful invention. With his ongoing contributions, Satoshi remains a significant figure in the realm of electrical engineering and innovation.