Company Filing History:
Years Active: 2012
Title: Hirofumi Kojima: Innovator in Fluid Dynamic Bearings
Introduction
Hirofumi Kojima is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of fluid dynamic bearings, showcasing his expertise through his innovative patents. With a total of 2 patents, Kojima continues to push the boundaries of technology in his industry.
Latest Patents
Kojima's latest patents include a dynamic fluid pressure bearing and a spindle motor for disk drive apparatuses. The fluid dynamic pressure bearing features a shaft aligned along a central axis, an annular member fixed to the shaft, and a lubricating film that enhances performance. The design incorporates a stepped surface on the shaft's outer circumferential surface, ensuring optimal contact with the annular member. Additionally, the spindle motor patent describes a fluid dynamic bearing mechanism that includes a stationary bearing portion and a rotating bearing portion, utilizing lubricating oil to improve functionality.
Career Highlights
Kojima is currently employed at Nidec Corporation, a leading company in the field of precision motors and related technologies. His work at Nidec has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for excellence in engineering.
Collaborations
Throughout his career, Kojima has collaborated with notable colleagues such as Tetsuya Maruyama and Atsushi Yawata. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Hirofumi Kojima's contributions to the field of fluid dynamic bearings exemplify his dedication to innovation and engineering excellence. His patents reflect a deep understanding of mechanical design and functionality, positioning him as a key figure in his industry.