Location History:
- Sakura, JP (1999)
- Tokyo, JP (2003)
- Chuo-ku, JP (2004)
Company Filing History:
Years Active: 1999-2004
Title: Masaharu Hatta: Innovator in Switching Power Supply Technology
Introduction
Masaharu Hatta is a prominent inventor based in Chuo-ku, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of switching power supply technologies. With a total of 3 patents to his name, Hatta's work has had a substantial impact on the efficiency and reliability of power supply systems.
Latest Patents
Hatta's latest patents include innovative designs that enhance the performance of switching power supplies. One of his notable inventions is a switching power supply that utilizes a transformer, rectifier, control circuit, and voltage generating circuits. This design effectively prevents fluctuations or undershooting of the output voltage when an instruction to stop operation is issued. The system employs a transformer with primary and secondary coils, a switching circuit, a rectifier, a smoothing circuit, and a control circuit that manages the switching operation. This invention allows for a linear reduction of the output voltage, improving the overall stability of the power supply.
Another significant patent by Hatta is a switching power supply unit that features a switch circuit with a first transistor, which converts a DC input into AC. This unit includes a transformer for AC transformation, an output rectifier with a second transistor connected in series and a third transistor in parallel to the transformer, and a control circuit that regulates the operation of these transistors. The control circuit ensures that the second transistor is activated before the third and first transistors, optimizing the power supply's performance.
Career Highlights
Masaharu Hatta is currently employed at TDK Corporation, where he continues to innovate in the field of power supply technology. His work at TDK has allowed him to collaborate with other talented engineers and contribute to the company's reputation for excellence in electronic components.
Collaborations
Hatta has worked alongside notable colleagues such as Katsuhiko Shimizu and Masato Watanabe. Their collaborative efforts have further advanced the development of efficient power supply solutions.
Conclusion
Masaharu Hatta's contributions to switching power supply technology demonstrate his expertise and commitment to innovation. His patents reflect a deep understanding of electrical engineering principles and a dedication to improving power supply systems. Hatta's work continues to influence the industry and inspire future advancements in technology.