Location History:
- Yokohama, JP (1991 - 1997)
- Kanagawa, JP (1995 - 2014)
Company Filing History:
Years Active: 1991-2014
Title: Mitsuaki Ishimaru: Innovator in Hydraulic and Lubricating Oils
Introduction
Mitsuaki Ishimaru is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of hydraulic and lubricating oils, holding a total of 5 patents. His work focuses on improving the performance and efficiency of hydraulic systems and two-cycle engines.
Latest Patents
One of his latest patents is for a base oil for hydraulic oil and a composition using the same. This base oil is particularly suitable for hydraulic systems equipped with filters that have a micropore diameter of 50 micrometers or less. The hydraulic oil composition derived from this base oil is designed for use in tractors, transmissions, and similar systems. The base oil consists of mineral oil characterized by specific properties, including a kinematic viscosity at 100°C of 1.5 to 6 mm/s, a pour-point of -10°C or less, and a viscosity index of 100 or more. Additionally, the mineral base oil undergoes a catalytic dewaxing process and contains tertiary carbon atoms at a ratio of 7.4% or more to the total carbon atoms.
Another significant patent by Ishimaru is for a lubricating oil for two-cycle engines. This oil comprises a polyoxyalkylene glycol derivative as a base oil, which enhances the lubrication of bearing and frictional portions in two-cycle engines. The formulation notably improves smoke generation, starting performance, and cleanliness, preventing the exhaust system from clogging with carbon. It also maintains cleanliness at both high and low temperatures and enhances anti-seizure performance.
Career Highlights
Throughout his career, Mitsuaki Ishimaru has worked with prominent companies, including Nippon Oil Company and Nippon Oil Corporation. His expertise in the field has allowed him to develop innovative solutions that address the challenges faced by hydraulic and engine lubrication systems.
Collaborations
Ishimaru has collaborated with notable individuals in his field, including Mineo Kagaya and Noboru Ishida. These collaborations have contributed to the advancement of technology in hydraulic and lubricating oils.
Conclusion
Mitsuaki Ishimaru's contributions to the field of hydraulic and lubricating oils have made a significant impact on the industry. His innovative patents reflect his commitment to enhancing the performance and efficiency of hydraulic systems and two-cycle
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.