Inventor
HAMACHI TATSUYA
JP4 patents
Patents
4 patentsUS11149227B2Oct 19, 2021
Lubricating oil composition, lubricating method, and transmission
IDEMITSU KOSAN CO0 citations53
US11279898B2Mar 22, 2022
Lubricating oil composition for shock absorber
IDEMITSU KOSAN CO0 citations46
US10844311B2Nov 24, 2020
Lubricating oil composition, lubricating method, and transmission
IDEMITSU KOSAN CO0 citations42
US10815445B2Oct 27, 2020
Lubricating oil composition, lubricating method, and transmission
IDEMITSU KOSAN CO0 citations42