Location History:
- Fujisawa, JP (2013)
- Yokohama, JP (2018 - 2024)
Company Filing History:
5 out of 89 
1 out of 21,893 
1 out of 2,464 
Years Active: 2013-2025
Title: Inventor Daisuke Tsutsui: Innovator in Grease Composition Technologies
Introduction
Daisuke Tsutsui, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of lubrication technologies. With a robust portfolio featuring four patents, Tsutsui’s work primarily centers on innovative grease compositions, essential for various mechanical applications.
Latest Patents
Tsutsui's most recent patents highlight his expertise in formulating specialized grease compositions. One notable invention is a grease composition for speed reducer parts of on-vehicle electric components. This composition combines a base oil and a thickener, designed to enhance the performance and reliability of electric vehicle components. Additionally, he has developed a grease composition specifically for wheel bearings. This formulation includes a mineral oil and a synthetic hydrocarbon oil, carefully balanced to achieve optimal viscosity, along with various additives such as an amine type antioxidant and an amine phosphate type antiwear agent.
Career Highlights
Tsutsui has built his professional career by collaborating with leading companies in the automotive and lubricant sectors. Noteworthy employers include Kyodo Yushi Co., Ltd. and Honda Motor Co., Ltd., where he applied his innovative mindset to overcome industry challenges. His extensive experience has cemented his reputation as a reliable inventor in lubrication technology.
Collaborations
Throughout his career, Tsutsui has influenced and worked alongside several talented individuals, including coworkers Yuta Sato and Junichi Imai. These collaborations have further enriched his innovative endeavors, fostering an environment of shared knowledge and creativity within the teams.
Conclusion
Daisuke Tsutsui stands out as an inventive leader in the field of grease composition technologies. His contributions to the automotive and lubrication industries, marked by his patents and collaborations, showcase a commitment to innovation that is essential for advancing modern engineering solutions. As technologies evolve, Tsutsui's work will undoubtedly continue to play a critical role in enhancing vehicle performance and sustainability.