Location History:
- Kanagawa, JP (2002)
- Fujisawa, JP (2000 - 2019)
- Suzuka, JP (2020)
Company Filing History:
7 out of 89 
2 out of 2,462 
1 out of 832,718 Years Active: 2000-2020
Title: Innovations of Yuji Onuki in Grease Composition Technology
Introduction
Yuji Onuki is a notable inventor based in Fujisawa, Japan, recognized for his contributions to the field of grease compositions for mechanical applications. With a total of eight patents to his name, Onuki has made significant advancements that enhance the performance and reliability of various mechanical components.
Latest Patents
Onuki's latest patents include a grease composition specifically designed for constant velocity joints. This invention comprises a base oil, a diurea thickener, benzotriazole or its derivatives, and a phosphate or an amine salt thereof. Additionally, he has developed a grease composition suitable for roll bearings that operate at elevated temperatures. This formulation includes a urea-containing thickener and an overbased metal sulfonate, ensuring optimal lubrication under demanding conditions.
Career Highlights
Throughout his career, Yuji Onuki has worked with prominent companies such as Kyodo Yushi Co., Ltd. and NTN Corporation. His experience in these organizations has allowed him to refine his expertise in lubrication technologies and contribute to innovative solutions in the industry.
Collaborations
Onuki has collaborated with esteemed colleagues, including Yutaka Imai and Hiroshi Kimura, to further enhance the development of grease compositions and related technologies.
Conclusion
Yuji Onuki's work in grease composition technology has significantly impacted the mechanical engineering field. His innovative patents demonstrate a commitment to improving the performance and longevity of critical components in various applications.
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.