Ryuzo Tanaka

Title: Ryuzo Tanaka: Innovator in Watch Technology

Introduction

Ryuzo Tanaka is a notable inventor based in Tanashi, Japan. He has made significant contributions to the field of watch technology, holding a total of 4 patents. His innovative designs focus on enhancing the functionality and durability of watch components.

Latest Patents

One of Tanaka's latest patents is a mounting structure of plastic glass in a watch case. This invention allows for the glass to be mounted with minimal deflection, thereby preventing cracks. The design features a radially extending projection on the glass's lower periphery, which engages with a recess in the watch case. The recess includes a beveled guiding portion that facilitates the smooth insertion of the glass. Another significant patent is the dial and movement fixing structure. This invention consists of a ring with legs that secure the dial between the case ring and back cover of the watch. Projections on the ring fit into notched portions on the dial, ensuring a stable attachment.

Career Highlights

Ryuzo Tanaka is currently employed at Citizen Watch Company, Ltd., where he continues to innovate in watch design. His work has contributed to the company's reputation for quality and precision in timekeeping.

Collaborations

Tanaka has collaborated with notable coworkers such as Hisao Ishigaki and Koichi Nakajima. Their combined expertise has further advanced the development of innovative watch technologies.

Conclusion

Ryuzo Tanaka's contributions to watch technology exemplify his commitment to innovation and quality. His patents reflect a deep understanding of the mechanics involved in watch design, ensuring that his work will have a lasting impact on the industry.