Location History:
- Tokyo, JP (2008 - 2011)
- Shizuoka, JP (2014)
Company Filing History:
4 out of 2,253 
2 out of 20 
1 out of 293 Years Active: 2008-2025
Title: Hiroki Andoh - Innovator in Lubricating Oil Composition
Introduction
Hiroki Andoh is an inventor based in Omaezaki, Japan. He is known for his innovative work in the field of lubricating oil compositions, particularly for automobile engine lubrication. Although he currently holds no granted patents, his contributions to the industry are noteworthy.
Latest Patent Applications
Hiroki Andoh has submitted several patent applications, including a significant one for a lubricating oil composition designed for automobile engine lubrication. This composition is characterized by its high fuel efficiency and wear resistance, making it particularly suitable for four-cycle gasoline engines in motorcycles and diesel engine vehicles equipped with exhaust gas after-treatment devices. The formulation includes a base oil and specific additive components, such as a nitrogen-containing ash-free dispersant, an alkali earth metal-containing detergent, a phosphorus-containing anti-wear agent, an antioxidant, and a viscosity index-improving agent. The viscosity index of this composition ranges from 140 to 230, with a high-shear viscosity at 150° C. of 2.9 mPa·s or higher, and a NOACK evaporation loss of 13% or less.
Conclusion
Hiroki Andoh's work in developing advanced lubricating oil compositions reflects his commitment to innovation in automotive lubrication technology. His latest patent applications highlight the potential for improved engine performance and efficiency.