Sigenobu Nakamura

Title: Sigenobu Nakamura: Innovator in Antifriction Bearings and Alternators

Introduction

Sigenobu Nakamura is a notable inventor based in Chiryu, Japan. He has made significant contributions to the field of engineering, particularly in the development of antifriction bearings and alternators for vehicles. With a total of 2 patents to his name, Nakamura's work has had a lasting impact on automotive technology.

Latest Patents

Nakamura's latest patents include innovative designs for antifriction bearings and alternators. The first patent describes an antifriction bearing that features a fixed ring made from steel containing up to about 10% of residual austenite. This design is crucial for enhancing the performance and durability of the bearing. The alternator, which is also part of this patent, includes a stator mounted on a frame, a rotor with a rotary shaft supported by a pair of bearings, and a drive pulley mounted on one end of the shaft. The outer ring of the bearing toward the pulley is similarly constructed from steel containing up to about 10% of residual austenite.

Career Highlights

Throughout his career, Sigenobu Nakamura has worked with prominent companies in the automotive industry, including Koyo Seiko Company, Ltd. and Nippondenso Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in vehicle technology.

Collaborations

Nakamura has collaborated with several talented individuals in his field, including Tutomu Siga and Kenzo Mitani. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Sigenobu Nakamura's contributions to antifriction bearings and alternators demonstrate his commitment to innovation in the automotive sector. His patents reflect a deep understanding of material science and engineering principles, making him a respected figure in his field.