Location History:
- Shizuoka, JP (2000)
- Iwata, JP (1997 - 2011)
Company Filing History:
4 out of 2,462 
1 out of 5 Years Active: 1997-2011
Title: Keizo Kobayashi: Innovator in Wheel Bearing Technology
Introduction
Keizo Kobayashi is a notable inventor based in Iwata, Japan, recognized for his contributions to wheel bearing technology. With a total of four patents to his name, Kobayashi has made significant advancements in the design and functionality of wheel bearing apparatuses.
Latest Patents
Kobayashi's latest patents include a wheel bearing apparatus incorporated with a wheel speed detecting apparatus. This innovative design features an outer member, an inner member, double row rolling elements, a sensor holder, and a pulser ring. The sensor holder cover is designed with a cylindrical fitting portion that is press-fit onto the inner side end portion of the outer member. Additionally, a flange portion extends radially inward from the fitting portion, ensuring close contact with the end face of the outer member. The bottom portion further extends radially inward from the flange portion, and the holding portion is integrally joined to the bottom portion. The flange portion is specifically formed with a flat surface to create an abutting width larger than 5 mm or more against the end face of the outer member.
Another significant patent is a wheel bearing apparatus designed for a driven wheel of a vehicle. This apparatus includes an outer member, an inner member, and rolling elements positioned between the two. The outer member features a body mounting flange that allows it to be securely mounted to a knuckle of a suspension apparatus. The knuckle has a disc-shaped bottom portion, and the outer member is fastened to the knuckle using bolts. The inner side end of the inner member is closed by the knuckle, and a plurality of pins is secured to the knuckle, with pin bores formed on the body mounting flange to radially position the outer member relative to the knuckle.
Career Highlights
Throughout his career, Keizo Kobayashi has worked with prominent companies such as NTN Corporation and Yamaha Metanix Corporation. His experience in these organizations has contributed to his expertise in the field of wheel bearing technology.
Collaborations
Kobayashi has collaborated with notable coworkers, including Koji Sahashi and Yujiro Ono, who have also contributed to advancements in the industry.
Conclusion
Keizo Kobayashi's innovative work in wheel bearing technology has led to significant advancements in vehicle performance and safety. His patents reflect a
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