Shigemitsu Doi

Title: Shigemitsu Doi: Innovator in Fluorescent Lamp Technology

Introduction

Shigemitsu Doi is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of circuits for fluorescent lamps. His innovative approach has led to advancements that enhance the efficiency and functionality of lighting technology.

Latest Patents

Doi holds a patent for a fluorescent lamp driving circuit. This invention features an oscillator circuit designed to drive a fluorescent lamp effectively. The circuit includes a power transistor with its emitter electrode connected to one terminal of a D.C. power source. The collector electrode is linked to the other terminal of the D.C. power source through a primary winding of a transformer. The design also incorporates secondary windings that facilitate the discharge in the fluorescent lamp, showcasing Doi's ingenuity in electrical circuit design. He has 1 patent to his name.

Career Highlights

Shigemitsu Doi is associated with Is Engineering Co., Ltd., where he applies his expertise in engineering and innovation. His work at the company has allowed him to focus on developing advanced technologies that improve lighting systems. Doi's contributions have been instrumental in pushing the boundaries of what is possible in fluorescent lamp technology.

Conclusion

Shigemitsu Doi's work exemplifies the spirit of innovation in the field of electrical engineering. His patented fluorescent lamp driving circuit represents a significant advancement in lighting technology. Through his career, he continues to inspire future generations of inventors and engineers.