Takenori Tatsumi

Title: The Innovations of Takenori Tatsumi

Introduction

Takenori Tatsumi is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of lubricating oil compositions. His work focuses on enhancing the performance and stability of lubricants through innovative chemical formulations.

Latest Patents

Tatsumi holds a patent for a viscosity index improver and lubricating oil composition. The invention aims to provide a viscosity index improver that excels in shear stability while maintaining a low HTHS viscosity and a high viscosity index. The viscosity index improver contains a (co)polymer (A) that includes a polyolefin-based monomer as an essential monomer unit, along with a base oil. The invention specifies that the absolute value of the difference in solubility parameter between the (co)polymer (A) and the base oil should be between 0.8 to 2.0 (cal/cm).

Career Highlights

Tatsumi is currently employed at Sanyo Chemical Industries, Ltd., where he continues to develop innovative solutions in the field of lubricants. His expertise in polymer chemistry has been instrumental in advancing the company's product offerings.

Collaborations

Tatsumi has collaborated with several talented individuals in his field, including Shigekuni Nakada and Ayumu Sakaguchi. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Takenori Tatsumi's contributions to the field of lubricating oil compositions highlight his innovative spirit and dedication to improving product performance. His patent for a viscosity index improver showcases his expertise and commitment to advancing technology in this area.