This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1988-2010.
Location History:
- Yokohama, JP (1988)
- Kawasaki, JP (2008 - 2010)
Company Filing History:
Years Active: 1988-2010
Title: Masayasu Doi: Innovator in DC-DC Converter Technology
Introduction
Masayasu Doi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of DC-DC converters. With a total of 3 patents to his name, Doi continues to push the boundaries of innovation in power electronics.
Latest Patents
Doi's latest patents include a groundbreaking DC-DC converter. This device features a switching circuit with first and second switching elements that operate periodically to manage direct current voltage. The design ensures that one switching element is turned on while the other is off, optimizing performance during non-dead time periods. Additionally, the converter includes a serial circuit with a first capacitor and primary windings of inductance elements, facilitating efficient voltage rectification through output circuits.
Another notable invention is the electric power unit, which operates without a period of time when any switching elements are turned on at a certain frequency. This innovative design allows for zero voltage switching and operates in a discontinuous current mode, enhancing the efficiency of power delivery.
Career Highlights
Masayasu Doi is currently employed at Toshiba Corporation, a leading company in technology and electronics. His work at Toshiba has allowed him to collaborate with other talented engineers and contribute to cutting-edge projects in the field of power electronics.
Collaborations
Doi has worked alongside esteemed colleagues such as Fujio Nomura and Akira Nakajima. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of advanced technologies.
Conclusion
Masayasu Doi's contributions to the field of electrical engineering, particularly in DC-DC converter technology, highlight his role as a key innovator. His patents reflect a commitment to enhancing power efficiency and performance in electronic devices. Doi's work continues to influence the industry and inspire future advancements in technology.