Location History:
- Maebashi, JP (1993)
- Gunma, JP (2002 - 2004)
Company Filing History:
Years Active: 1993-2004
Title: Mizuho Ninomiya: Innovator in Ball Screw Technology
Introduction
Mizuho Ninomiya is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design and functionality of ball screws. With a total of 3 patents to his name, Ninomiya's work has advanced the efficiency and reliability of ball screw mechanisms.
Latest Patents
Ninomiya's latest patents include innovative designs that enhance the performance of ball screws. One of his patents focuses on the ball groove profile of a ball screw. This design connects the outer diameter portion of the screw shaft and the semi-circular ball rolling portion through arcuate portions. The radius of curvature in these portions is carefully calculated to reduce stress concentration, ensuring that the land shoulder portions remain undamaged during high-speed operations. Another patent describes a ball screw with four circulation passages arranged in a specific axial direction. This configuration minimizes load distribution variations caused by moments around the screw's axis, improving overall performance.
Career Highlights
Mizuho Ninomiya is currently employed at NSK Corporation, a leading company in the manufacturing of motion and control technologies. His work at NSK has allowed him to apply his innovative ideas in practical applications, contributing to the company's reputation for quality and precision in engineering.
Collaborations
Ninomiya collaborates with talented coworkers, including Daisuke Maruyama and Nobuyuki Osawa. Their combined expertise fosters a creative environment that drives innovation in their projects.
Conclusion
Mizuho Ninomiya's contributions to ball screw technology exemplify the impact of innovative thinking in engineering. His patents not only enhance the functionality of mechanical systems but also pave the way for future advancements in the field.