This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Kyodo Yushi Co., Ltd., Ntn Corporation. Active years: 2006.
Company Filing History:
1 out of 89 
1 out of 2,494 
Years Active: 2006
Title: Innovations of Yuji Oonuki
Introduction
Yuji Oonuki is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of lubrication technology, particularly through his innovative patent related to grease and grease sealed bearings. His work is characterized by a focus on enhancing the performance and longevity of lubricants in high-temperature applications.
Latest Patents
Yuji Oonuki holds a patent for a grease that provides a prolonged lubricating lifetime to applied portions for use at high temperatures. The patent describes a grease sealed bearing that is sealed with this specialized grease. The formulation includes a base oil, a thickener, and an amide-based wax. The amide-based wax is present in an amount of 0.5 to 10% by weight based on the total amount of the grease, has a melting point of 80°C or more, and exhibits antioxidative properties to the base oil. The base oil is selected from ether-based, ester-based, and synthetic hydrocarbon oils, with a kinematic viscosity of 20 to 150 mm/s at 40°C. The thickener used is an urea-based thickener, contained in an amount of 5 to 30% by weight based on the total amount of the grease.
Career Highlights
Throughout his career, Yuji Oonuki has worked with prominent companies in the industry. He has been associated with NTN Corporation and Kyodo Yushi Co., Ltd., where he has contributed to advancements in lubrication technologies. His expertise in this field has allowed him to develop innovative solutions that address the challenges faced in high-temperature environments.
Collaborations
Yuji Oonuki has collaborated with notable professionals in his field, including Takayuki Kawamura and Toshiaki Endo. These collaborations have further enriched his work and contributed to the development of effective lubrication solutions.
Conclusion
Yuji Oonuki's contributions to lubrication technology, particularly through his patented innovations, have made a significant impact in the industry. His work continues to influence the development of high-performance lubricants that meet the demands of modern applications.