Company Filing History:
3 out of 493 
1 out of 42,485 
Years Active: 2009-2012
Title: Jiangming Mao: Innovator in Electric Power Conversion Systems
Introduction
Jiangming Mao is a notable inventor based in Narashino, Japan, recognized for his contributions to electric power conversion systems. With a total of four patents to his name, Mao has made significant advancements in the field of power electronics.
Latest Patents
One of his latest patents is an electric power conversion system designed to achieve miniaturization while effectively reducing temperature rise through a cooling operation facilitated by a cooling fan. This innovative system features a casing that covers cooling fins for power semiconductors, a main circuit board equipped with a driver circuit, and a cover that protects the main circuit board. The design includes strategically placed airflow holes that enhance cooling efficiency by directing air from the cooling fan to the cooling fins.
Another significant patent is a power conversion apparatus and method for estimating power cycle life. This invention is particularly useful in facilities where power conversion apparatuses are frequently started and stopped. The apparatus comprises power conversion circuits that supply AC power with variable voltage and frequency, a detection circuit for monitoring the temperature of power semiconductors, and a computation device that calculates the longevity of the power cycle based on temperature data.
Career Highlights
Jiangming Mao has worked with prominent companies such as Hitachi Industrial Equipment Systems Co., Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing innovative power conversion technologies.
Collaborations
Mao has collaborated with notable colleagues, including Satoshi Ibori and Tomoya Kamezawa, who have contributed to his projects and innovations in the field.
Conclusion
Jiangming Mao's work in electric power conversion systems showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and functionality in power electronics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.