This inventor holds 4 USPTO granted patents. Top assignees: Micron Kiki Co., Ltd., Stanley Electric Co., Ltd, Tohoku Ricoh Co., Ltd.. Active years: 1982-1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1982)
- Kanagawa, JP (1985)
Company Filing History:
Years Active: 1982-1985
Title: The Innovations of Shuichi Umemoto
Introduction
Shuichi Umemoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced rectifiers and DC-DC converters. With a total of 4 patents to his name, Umemoto's work showcases his expertise and innovative spirit.
Latest Patents
One of Umemoto's latest patents is an AC rectifier that utilizes a semiconductor active rectifying element. This rectifier is connected through an overvoltage protection circuit to a terminal voltage comparator, which compares the input and output voltages. A pulse control circuit is linked to the control terminal of the active element, allowing for high-frequency operation with enhanced efficiency. Another significant patent is for a DC-DC converter that incorporates an energy storage inductance element. In this design, a semiconductor active element acts as a flywheel, turning off when the main switching transistor is activated and turning on to provide a current path when energy is released.
Career Highlights
Throughout his career, Umemoto has worked with various companies, including Micron Kiki Co., Ltd. His experience in the industry has allowed him to refine his skills and contribute to groundbreaking technologies.
Collaborations
Umemoto has collaborated with several professionals in his field, including Naoki Arai and Tsuneo Ikenoue. These partnerships have fostered innovation and the exchange of ideas, further enhancing his contributions to electrical engineering.
Conclusion
Shuichi Umemoto's work exemplifies the spirit of innovation in the field of electrical engineering. His patents reflect a commitment to advancing technology and improving efficiency in electrical systems. His contributions will undoubtedly continue to influence the industry for years to come.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile