Jisaburou Maruyama

Title: The Innovative Contributions of Jisaburou Maruyama

Introduction

Jisaburou Maruyama is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of lighting technology, particularly with his innovative lamp assembly design. His work exemplifies the spirit of invention and the pursuit of practical solutions to everyday problems.

Latest Patents

Maruyama holds a patent for a lamp assembly that features a generally elliptical vitreous envelope. This design includes a cylindrical neck, a stem mount with a pair of lead-in wires, and a screw-in base capped on the cylindrical portion of the envelope. The cylindrical neck is equipped with a circular protruded ring along its entire periphery, and a concave channel is provided at the position of the screw-in base for a push-in coupling. The flared rim, which is integrally formed with the concave channel, extends outwardly to provide elastic deformation to the upper half of the screw-in base. Additionally, heat-resistant silicone rubber is applied to prevent relative rotational movement, ensuring durability and functionality.

Career Highlights

Maruyama's career is marked by his dedication to innovation in lighting technology. His work at Tokyo Shibaura Denki Kabushiki Kaisha has allowed him to develop and refine his inventions, contributing to advancements in the industry. His patent reflects a deep understanding of both engineering principles and user needs.

Collaborations

Throughout his career, Maruyama has collaborated with esteemed colleagues such as Sumio Fukayama and Masanobu Miyake. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Jisaburou Maruyama's contributions to the field of lighting technology through his innovative lamp assembly patent highlight his role as a significant inventor. His work continues to influence the industry and inspire future innovations.