Hiromi Mafune

Title: Hiromi Mafune: Innovator in Circuit Design

Introduction

Hiromi Mafune is a distinguished inventor based in Sagamihara, Japan. She has made significant contributions to the field of circuit design, holding a total of 2 patents. Her innovative work focuses on enhancing the functionality and efficiency of electronic circuits.

Latest Patents

Mafune's latest patents include a BiCMOS current switching circuit that features a plurality of resistors. This current switching circuit comprises first and second FETs of the same channel type, whose drain-source paths are commonly connected at one end. The gates of these FETs receive logic input signals in an inverted relation, while the other end of the drain-source path of the first FET connects to an external circuit. Additionally, the circuit includes a bipolar transistor connected to a commonly connected node between the drain-source paths of the first and second FETs. Another notable patent is an attenuator circuit, which consists of an input node, a first resistor connected to a reference potential, and a second resistor connected to the other terminal of the first resistor. This circuit is designed to achieve a specific resistive value through a combination of resistors, enhancing its performance in various applications.

Career Highlights

Hiromi Mafune is currently employed at Kabushiki Kaisha Toshiba, where she continues to innovate and develop advanced circuit technologies. Her work has garnered attention for its practical applications in the electronics industry.

Collaborations

Mafune has collaborated with notable colleagues, including Yasuhiro Sugimoto and Satoshi Mizoguchi. These partnerships have contributed to her success and the advancement of her projects.

Conclusion

Hiromi Mafune is a remarkable inventor whose contributions to circuit design have made a significant impact in the field. Her innovative patents and collaborations reflect her dedication to advancing technology.