Yuzo Kumagai

Title: Yuzo Kumagai: Innovator in Tire Technology

Introduction

Yuzo Kumagai is a notable inventor based in Niiza, Japan, recognized for his contributions to tire technology. He holds a total of 8 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Kumagai's latest patents include a tire forming drum that features stitching supports. This innovative drum comprises a pair of bead lock devices, a shaping device, and ply turning-up devices designed to enhance the tire formation process. Each stitching support is a rigid lever that connects to the bead lock device, ensuring close contact with the tire's inner surface. The actuating device allows for the expansion of the stitching supports, improving the efficiency of tire formation.

Another significant patent is for a tire building machine equipped with a cylindrical member transfer apparatus. This apparatus includes a trolley that moves toward and away from the forming drum, along with bead holding units and grasping units that facilitate the handling of cylindrical members. This design allows for easy adjustments in bead set positions and enhances the overall efficiency of tire production.

Career Highlights

Throughout his career, Yuzo Kumagai has worked with prominent companies such as Bridgestone Corporation and Bridgestone Tire Company Limited. His experience in these organizations has significantly contributed to his development as an inventor in the tire industry.

Collaborations

Kumagai has collaborated with notable coworkers, including Kichinosuke Nishimoto and Ryutaro Ishii. Their combined expertise has likely fostered innovative solutions in tire technology.

Conclusion

Yuzo Kumagai's contributions to tire technology through his patents and collaborations highlight his role as a significant innovator in the industry. His work continues to influence the efficiency and effectiveness of tire production processes.