Keiichi Matsumoto

Title: Keiichi Matsumoto: Innovator in Discharge Lamp Technology

Introduction

Keiichi Matsumoto is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of discharge lamps. With a total of 3 patents to his name, Matsumoto's work has had a considerable impact on the industry.

Latest Patents

Matsumoto's latest patents include a discharge lamp lighting apparatus and an ultra-high pressure mercury lamp. The discharge lamp lighting apparatus features a design that includes a pair of tungsten-made electrodes with protrusions at their tips. This innovative device is equipped with a power feeding mechanism that allows for switching between two lighting modes, enabling efficient control of electric power fed to the lamp. The ultra-high pressure mercury lamp is designed to prevent tungsten spraying during operation and starting, while also minimizing blackening on the arc tube's inner wall. This is achieved through the use of electrodes that incorporate an electron emission material with a lower work function than tungsten.

Career Highlights

Matsumoto is currently associated with Ushio Denki Kabushiki Kaisha, a company known for its advancements in lighting technology. His work has been instrumental in enhancing the performance and efficiency of lighting devices.

Collaborations

Matsumoto has collaborated with notable coworkers such as Koji Yamada and Takanori Samejima. Their combined expertise has contributed to the successful development of innovative lighting solutions.

Conclusion

Keiichi Matsumoto's contributions to discharge lamp technology exemplify his commitment to innovation in the field. His patents reflect a deep understanding of electrical engineering and a dedication to improving lighting systems.