Company Filing History:
Years Active: 1990-1991
Title: Nobuo Ohtuka: Innovator in Hybrid Circuit Technology
Introduction
Nobuo Ohtuka is a prominent inventor based in Oizumi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of hybrid circuit modules. With a total of 2 patents, Ohtuka's work focuses on enhancing the efficiency and functionality of inverter circuits.
Latest Patents
Ohtuka's latest patents include innovative designs for hybrid circuit modules that incorporate bridge circuits and rectifying circuits. One of his notable inventions is an inverter circuit that utilizes fast transistors for pulse-width modulation (PWM) and slow switching thyristors for fundamental frequency operations. This design features a rectifying circuit that converts input AC power and a bridge circuit composed of multiple arms, each connecting transistors and thyristors to optimize performance. Another patent details an electric circuit that supplies controlled frequency electrical power to a load, integrating thyristors and transistors to manage current flow effectively.
Career Highlights
Nobuo Ohtuka is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate in the field of electrical circuits. His expertise in hybrid circuit technology has positioned him as a key figure in advancing electrical engineering solutions.
Collaborations
Ohtuka has collaborated with Kouichi Matsumoto, contributing to the development of cutting-edge technologies in their field.
Conclusion
Nobuo Ohtuka's contributions to hybrid circuit technology exemplify his commitment to innovation in electrical engineering. His patents reflect a deep understanding of circuit design and functionality, making him a valuable asset to Sanyo Electric Co., Ltd. and the broader engineering community.