Location History:
- Fukuoka, JP (2001)
- Chiba, JP (2017 - 2020)
- Chiba-chi, JP (2024)
Company Filing History:
Years Active: 2001-2024
Title: Innovations by Toshimasa Utaka in Lubricating Oil Composition
Introduction
Toshimasa Utaka is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of lubricating oil compositions, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of lubricants used in gas engines.
Latest Patents
One of his latest patents addresses the need for a lubricating oil composition for gas engines that can suppress viscosity increase while reducing sulfated ash content. This innovative composition includes a base oil, at least one ash-free additive, and a boronated imide-type dispersant. The requirements for this composition ensure that the sulfated ash content is 0.2% by mass or less, and the content of the ash-free additive is limited to 1.2% by mass. Additionally, the boron atom content derived from the dispersant must be 200 ppm by mass or more.
Another significant patent involves a lubricating oil composition for engines equipped with a forced-induction mechanism. This composition aims to lower the frequency of low-speed pre-ignition (LSPI) occurrences while utilizing a calcium-based detergent. The formulation includes a base oil, a metal-containing surfactant, and a basic compound, with specific content requirements for sulfur and calcium to optimize performance.
Career Highlights
Toshimasa Utaka is currently employed at Idemitsu Kosan Company, Limited, where he continues to innovate in the field of lubricants. His expertise in developing advanced lubricating oil compositions has positioned him as a key figure in the industry.
Collaborations
He has collaborated with notable coworkers, including Koichi Eguchi and Koshi Sekizawa, contributing to the advancement of lubricating technologies.
Conclusion
Toshimasa Utaka's contributions to lubricating oil compositions demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of the challenges faced in engine lubrication, paving the way for more efficient and effective solutions.