Location History:
- Nagoya, JP (2012 - 2013)
- Osaka, JP (2015)
Company Filing History:
3 out of 2,415 
1 out of 8 Years Active: 2012-2015
Title: Kunihiro Yamaguchi: Innovator in Rolling Bearing Technology
Introduction
Kunihiro Yamaguchi is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of rolling bearing technology, holding a total of 3 patents. His work focuses on enhancing the performance and durability of rolling bearings in various applications.
Latest Patents
Yamaguchi's latest patents include innovative designs aimed at improving the longevity and efficiency of rolling bearings. One of his patents describes a rolling bearing that inhibits spalling of a rolling element, ensuring a long service life even under rigorous environments. This design incorporates a specialized grease for lubricating the rolling and sliding contact parts, which includes a unique thickener made from a diurea compound. The formulation is designed to withstand high temperatures, with a reaction temperature of the extreme pressure additive with iron being 260°C or lower.
Another significant patent is for a rolling bearing sealing device. This invention features an axial lip on the seal's side surface that expands outward, enhancing the sealing capability. The design includes a labyrinth structure formed between the axial lip and a projecting portion on the slinger, which further improves the sealing effectiveness and prevents contamination.
Career Highlights
Throughout his career, Kunihiro Yamaguchi has worked with prominent companies in the industry, including JTEKT Corporation and Nippon Grease Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in rolling bearing technology.
Collaborations
Yamaguchi has collaborated with several talented individuals in his field, including Youichi Numada and Ikuo Ito. These partnerships have contributed to the advancement of his inventions and the overall progress in rolling bearing technology.
Conclusion
Kunihiro Yamaguchi's contributions to rolling bearing technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving product performance. His work continues to influence the industry and inspire future innovations.
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.