Inventor
OHTANI HIROKO
US6 patents
⚠️ This page may combine multiple inventors who share the name “OHTANI HIROKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETHYL PETROLEUM ADDITIVES INC
3 patentsUS5344579ASep 6, 1994
Friction modifier compositions and their use
ETHYL PETROLEUM ADDITIVES INC65 citations94
US5441656AAug 15, 1995
Automatic transmission fluids and additives therefor
ETHYL PETROLEUM ADDITIVES INC49 citations91
US5372735ADec 13, 1994
Automatic transmission fluids and additives therefor
ETHYL PETROLEUM ADDITIVES INC52 citations91