Keizo Nagasawa

Title: Keizo Nagasawa: Innovator in Constant Velocity Joints

Introduction

Keizo Nagasawa is a prominent inventor based in Iwata, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of constant velocity joints. With a total of 5 patents to his name, Nagasawa's work has had a lasting impact on the industry.

Latest Patents

Nagasawa's latest patents include innovative designs for constant velocity universal joints. One of his notable inventions features a spherical inner surface of the outer race and track grooves, each defined by a post-hardening cut surface. Additionally, the inner race also has a spherical outer surface and track grooves defined by a similar process. His design includes a retainer with a spherical outer surface, a spherical inner surface, and inner surfaces of the pockets, all defined by a post-hardening cut surface. Furthermore, he has developed a grease composition for constant velocity joints that boasts a low coefficient of friction, aimed at reducing vibrations. This composition includes a base oil, a urea thickening agent, and specific molybdenum compounds to enhance performance.

Career Highlights

Throughout his career, Keizo Nagasawa has worked with notable companies such as NTN Corporation and NTN Toyo Bearing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in mechanical design and innovation.

Collaborations

Nagasawa has collaborated with talented individuals in his field, including Takashi Okaniwa and Kiyoshi Takeuchi. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Keizo Nagasawa is a distinguished inventor whose work in constant velocity joints has significantly influenced the mechanical engineering landscape. His innovative patents and collaborations reflect his commitment to advancing technology in this field.