Company Filing History:
5 out of 13,415 
2 out of 188 
2 out of 832,912 Years Active: 2007-2017
Title: Takumaru Sagawa: Innovator in Lubrication Technology
Introduction
Takumaru Sagawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of lubrication technology, holding a total of 5 patents. His work focuses on developing innovative solutions that enhance the performance and efficiency of lubrication systems.
Latest Patents
One of Sagawa's latest patents is a low friction lubrication assembly. This invention addresses the need for a low-friction assembly by introducing a new lubrication system that includes a first member that is relatively slidable against a second member. The first member features a chemical affinity with an OH-group on its sliding surface, along with one or more oxygen-containing compounds that can produce a tribofilm through hydrogen bond interactions. This design aims to create a repulsive force between the sliding surfaces, enhancing the overall efficiency of the lubrication process.
Another significant patent is a transmission oil composition for automobiles. This composition is characterized by its inclusion of a base oil, which can be a mineral oil, synthetic oil, or a mixture of both. Additionally, it contains a phosphate compound, such as a zinc dithiophosphate or triaryl phosphate, at a specific concentration. The resulting composition boasts a volume resistivity of 1×10 ohm·m or more at 80°C, making it suitable for modern automotive applications.
Career Highlights
Throughout his career, Takumaru Sagawa has worked with prominent companies, including Nissan Motor Company Limited and Nippon Oil Corporation. His experience in these organizations has allowed him to refine his expertise in lubrication technology and contribute to advancements in the automotive industry.
Collaborations
Sagawa has collaborated with notable colleagues, including Yutaka Mabuchi and Takafumi Ueno. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Takumaru Sagawa's contributions to lubrication technology through his innovative patents demonstrate his commitment to enhancing performance in automotive applications. His work continues to influence the industry and pave the way for future advancements.