Location History:
- Higashiosaka, JP (2000 - 2004)
- Osaka, JP (1996 - 2005)
Company Filing History:
Years Active: 1996-2005
Title: Hajime Tazumi: Innovator in Rolling Bearing Technology
Introduction
Hajime Tazumi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of rolling bearings, holding a total of 11 patents. His innovative designs and manufacturing methods have advanced the technology used in various mechanical applications.
Latest Patents
Tazumi's latest patents include a groundbreaking rolling bearing that features a rolling element made of steel. This rolling element possesses a hardness of 620 to 750 HV in its interior. Notably, the design ensures that the hardest point exists within a depth of 10% of its diameter from the rolling contact surface, with the hardness at this point being increased by 20 to 150 HV compared to the interior hardness. Additionally, he has developed a manufacturing method for steel balls used in rolling bearings. This method involves a molding step that forms a steel wire into a raw ball with a band portion, followed by a tumbler working step to remove the band portion from the surface.
Career Highlights
Hajime Tazumi is currently employed at Koyo Seiko Company, Ltd., where he continues to innovate in the field of rolling bearings. His work has not only enhanced the performance of these components but has also contributed to the overall efficiency of machinery that relies on them.
Collaborations
Throughout his career, Tazumi has collaborated with notable colleagues, including Yoshitaka Nakagawa and Junya Ooitsu. These partnerships have fostered a creative environment that has led to the development of advanced technologies in their field.
Conclusion
Hajime Tazumi's contributions to rolling bearing technology exemplify his dedication to innovation and excellence. His patents and collaborative efforts continue to influence the industry, making him a key figure in mechanical engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.