Hiroshi Tone

Title: Hiroshi Tone: Innovator in Constant-Velocity Joints

Introduction

Hiroshi Tone is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design and optimization of constant-velocity joints. With a total of 5 patents to his name, Tone's work has had a substantial impact on the automotive industry.

Latest Patents

Hiroshi Tone's latest patents include innovative designs for fixed-type constant-velocity universal joints and ATV drive shafts. The fixed-type constant-velocity universal joint patent focuses on optimizing the geometry of the components to achieve larger operating angles. The design features tapered track grooves and specific ratios for the cage offset amount, outer diameter, wall thickness, and width, ensuring enhanced performance.

His ATV drive shaft patent introduces a cost-effective solution for vehicles traversing uneven terrain. This design utilizes a double offset type constant velocity joint on the inboard side and an undercut free type joint on the outboard side, with precise track clearances to ensure efficient power transmission.

Career Highlights

Hiroshi Tone is currently employed at NTN Corporation, where he continues to innovate and develop advanced mechanical solutions. His expertise in constant-velocity joints has positioned him as a key figure in the industry, contributing to the advancement of vehicle technology.

Collaborations

Throughout his career, Tone has collaborated with talented individuals such as Tohru Nakagawa and Manabu Hoshino. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hiroshi Tone's contributions to the field of mechanical engineering, particularly in constant-velocity joints, highlight his role as a significant inventor. His patents reflect a commitment to innovation and efficiency in automotive design.