Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Engine oil degradation-estimating device and device for estimating antioxidant performance of engine oil

Engine oil degradation-estimating device and device for estimating antioxidant performance of engine oil

US Patent 8464576 · Granted Jun 18, 2013

Estimated economic value: $791,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power amplifier circuit2025
Adsorbent material2021
Fuel cell electrode catalyst and method for activating catalyst2018
Electrolyte film for fuel cell2018
Anode-side catalyst composition for fuel cells, and membrane electrode assembly 2017
Semiconductor module2016
High-frequency power amplifier device2013
Method for detecting a condition of engine oil2010
Optical connector for connecting optical fibers to one another2007
Semiconductor device, and method and apparatus for manufacturing semiconductor d2007
Semiconductor integrated circuit for high frequency power amplifier, electronic 2007
High frequency power amplifier and wireless communication module2006