Inventor

WADA SADAO

JP6 patents

⚠️ This page may combine multiple inventors who share the name “WADA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

2 patents

US4968453ANov 6, 1990

Synthetic lubricating oil composition

TOYOTA MOTOR CO LTD29 citations90

US4719025AJan 12, 1988

Synthetic lubrication oil compositions

TOYOTA MOTOR CO LTD35 citations90

(unassigned)

1 patent

US5672572ASep 30, 1997

Lubricating oil composition

78 citations95

TOA NENRYO KOGYO KK

1 patent

US4608173AAug 26, 1986

Filter

TOA NENRYO KOGYO KK37 citations91

TAKENAKA KOMUTEN CO

1 patent

US4615215AOct 7, 1986

Method and apparatus for testing ready-mixed concrete

TAKENAKA KOMUTEN CO28 citations87

EXXON RESEARCH ENGINEERING CO

1 patent

US5665684ASep 9, 1997

Lubricating oil composition

EXXON RESEARCH ENGINEERING CO15 citations73