Minoru Suda

Title: Minoru Suda: Innovator in Power Transistor Technology

Introduction

Minoru Suda is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of power transistor technology, holding a total of 2 patents. His work focuses on enhancing the stability and efficiency of power transistors, which are crucial components in various electronic devices.

Latest Patents

Suda's latest patents include innovative designs for power transistor devices. One of his patents describes a power transistor device that has a function of clamping the collector voltage to a stable level across a wide range of temperature variations. This device incorporates a plurality of pn junctions formed to fabricate Zener diodes in a ring configuration within a polycrystalline silicon film. This design eliminates the exposure of the junction surface, allowing for a stable Zener voltage with a very small temperature coefficient.

Another patent details a power transistor device that includes power transistors in a Darlington configuration. In this design, a Zener diode made up of multiple pn-junctions in series is placed between the collector and base of the transistor. This setup allows for stable reverse voltage generation in inductive loads, even with temperature variations. The MOSFET in this configuration is controlled by a voltage based on the Zener current, enhancing the overall performance of the device.

Career Highlights

Minoru Suda is currently employed at Hitachi, Ltd., where he continues to develop advanced technologies in the field of electronics. His work has been instrumental in improving the reliability and efficiency of power transistors, making them more suitable for modern applications.

Collaborations

Throughout his career, Suda has collaborated with esteemed colleagues such as Masatoshi Nakasu and Tetsuo Iijima. These collaborations have contributed to the advancement of technology in the field of power electronics.

Conclusion

Minoru Suda's contributions to power transistor technology have established him as a prominent figure in the field. His innovative patents reflect his commitment to enhancing electronic device performance and stability.