Kazuo Maruyama

Title: Celebrating Kazuo Maruyama: An Innovator in Lighting Technology

Introduction

Kazuo Maruyama, a distinguished inventor based in Shizuoka, Japan, has made significant contributions to the field of lighting technology. With a total of three patents to his name, Maruyama's inventions reflect his commitment to enhancing safety and efficiency within transportation environments.

Latest Patents

Among Kazuo Maruyama's latest patents is a remarkable lighting device designed for use within railroad vehicles. This innovative system includes an indoor lamp that provides comprehensive illumination throughout the cabin's longitudinal direction. It features a vehicle body power supply that distributes electric power to the indoor lamp, alongside a storage battery that is charged by this power supply. The indoor lamp comprises both a general lamp light source and a standby lamp light source, ensuring reliable lighting even in emergencies. In such situations, the standby lamp light source operates at a lower illuminance to conserve energy while still providing essential visibility.

Additionally, Maruyama developed a power supply adjustment system and lighting apparatus. This system consists of an electronic load with variable load voltage, a power supply board for current delivery, and an information processing apparatus that regulates both load voltage and output current based on real-time measurements. The intelligent control unit within the system allows for optimized performance across a range of load voltages, ensuring efficiency and safety during operation.

Career Highlights

Kazuo Maruyama is currently associated with Koito Electric Industries, Ltd., a company recognized for its contributions to the automotive lighting and electrical systems sector. His tenure at Koito has allowed him to push the boundaries of innovation, particularly in technologies enhancing the safety and functionality of transportation vehicles.

Collaborations

Throughout his career, Maruyama has collaborated with notable colleagues, including Takayuki Izumi and Yukihito Yabuki. Their collective efforts have resulted in advancements in lighting solutions and power supply systems, which have further solidified the reputation of Koito Electric Industries as a leader in innovative technologies.

Conclusion

Kazuo Maruyama’s work exemplifies the spirit of innovation within the field of lighting technology. His patents provide solutions that not only enhance safety in transportation but also reflect a deep understanding of user needs. As he continues to develop revolutionary concepts at Koito Electric Industries, Maruyama serves as an inspiration for aspiring inventors and industry professionals alike.