Chiba
Japan
6
2022-09-01
The entities that hold a legal rights for patent applications filed by inventor Oki Hiroshi:
Hiroshi Oki from Chiba, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Lubricating oil composition
#2 | 2021-08-19Lubricant composition and method for producing same
#3 | 2021-07-01Lubricating oil composition and production method therefor
#4 | 2020-10-29Lubricating oil composition, internal combustion engine, and lubrication method for internal combustion engine
#5 | 2020-10-15Lubricating oil composition, internal combustion engine, and method for lubricating internal combustion engine
#6 | 2020-01-09Lubricating oil composition
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