This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Diamond Electric Mfg. Co., Ltd., Matsushita Electric Industrial Co., Ltd., Sumitomo Chemical Company, Limited. Active years: 1980-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 28 
1 out of 27,375 
1 out of 6,967 Years Active: 1980-2021
Title: The Innovative Contributions of Masao Watanabe
Introduction
Masao Watanabe is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced DC-DC converters. With a total of five patents to his name, Watanabe's work has had a notable impact on the industry.
Latest Patents
Watanabe's latest patents include a converter with a soft switching function. This innovative DC-DC converter features a configuration where a first full-bridge circuit and a second full-bridge circuit are connected via a transformer and an inductor. The control circuit in this design switches between two modes: the first control changes the phases of the switching elements in both bridge circuits, while the second control adjusts the switching frequencies based on target power. This ensures that the inductor current during the dead time of the switching elements meets or exceeds a specified threshold. In another patent, the converter also alternately turns on and off switching elements, ensuring that the inductor current flowing through an equivalent inductor is maintained above a threshold current during switching.
Career Highlights
Throughout his career, Masao Watanabe has worked with notable companies such as Diamond Electric Manufacturing Co., Ltd. and Sumitomo Chemical Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Watanabe has collaborated with talented individuals in his field, including Shogo Nakahara and Masaaki Yoshida. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Masao Watanabe's contributions to the field of electrical engineering, particularly through his innovative patents, highlight his expertise and dedication to advancing technology. His work continues to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile