Location History:
- Arlington Heights, IL (US) (2001)
- Fukuoka, JP (1999 - 2005)
- Katikyushu, JP (2013)
- Kitakyushu, JP (1998 - 2016)
Company Filing History:
4 out of 1,101 
3 out of 32 
1 out of 5 Years Active: 1998-2016
Title: Tsuneo Joe Kume: Innovator in Inverter Technology
Introduction
Tsuneo Joe Kume is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of inverter technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and functionality of motor drive systems.
Latest Patents
One of Kume's latest patents is an inverter device and motor drive system. This innovative device includes a power supply unit that supplies AC power to an AC motor. The motor's electric characteristics can be switched between low speed and high speed based on its rotation speed. The switch controller is responsible for executing this switching control, allowing for optimal performance in various operational conditions.
Another notable patent is the resonant gate drive circuit for a power switching device in a high-frequency power converter. This circuit is designed to work with a power switching device that has gate-emitter capacitance. It includes a signal input source, a power supply, and a resonant inductor. The circuit is engineered to provide quick resonant charge paths and voltage equalization charge paths, enhancing the efficiency of high-frequency power converters.
Career Highlights
Throughout his career, Kume has worked with notable companies such as Yaskawa Electric Corporation and Yaskawa America, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in inverter technology.
Collaborations
Kume has collaborated with talented individuals in the field, including Mahesh M. Swamy and Toshihiro Sawa. These collaborations have contributed to the advancement of technology in their respective areas of expertise.
Conclusion
Tsuneo Joe Kume is a distinguished inventor whose work in inverter technology has made a significant impact. His patents reflect his commitment to innovation and efficiency in motor drive systems.