Kiyoshi Sawatari

Title: Kiyoshi Sawatari: Innovator in High-Pressure Mercury Arc Discharge Technology

Introduction

Kiyoshi Sawatari is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of lighting technology, particularly through his innovative designs in high-pressure mercury arc discharge lamps. His work has been recognized for its technical advancements and practical applications.

Latest Patents

Kiyoshi Sawatari holds a patent for a "Curved tube type ultra high pressure mercury arc discharge lamp device." This invention features an arcuate glass tube containing mercury at both ends, with electrodes that project into the tube to create electric discharge. The design includes throttles on the inner surface of the glass tube near the electrodes, which have diameters smaller than the inner diameter of the tube. The mercury is contained in spaces between the throttles and the ends of the glass tube, enhancing the efficiency and performance of the lamp.

Career Highlights

Kiyoshi Sawatari is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop and refine his inventions, contributing to the company's reputation for excellence in engineering and technology.

Collaborations

Throughout his career, Kiyoshi has collaborated with esteemed colleagues such as Takashi Fujimura and Yoshifumi Tomita. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kiyoshi Sawatari's contributions to the field of high-pressure mercury arc discharge technology exemplify his dedication to innovation. His patented designs continue to influence the lighting industry, showcasing the importance of inventive thinking in technological advancement.