Inventor
OBATA HARUYUKI
10 patents
⚠️ This page may combine multiple inventors who share the name “OBATA HARUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
5 patentsUS5469818ANov 28, 1995
Variable valve timing control device for an engine
TOYOTA MOTOR CO LTD74 citations95
US4345573AAug 24, 1982
Blow-gas treating and controlling system
TOYOTA MOTOR CO LTD20 citations81
US4341190AJul 27, 1982
Air-fuel ratio control device of an internal combustion engine
TOYOTA MOTOR CO LTD12 citations71
US4432324AFeb 21, 1984
Air-fuel ratio control device of an internal combustion engine
TOYOTA MOTOR CO LTD4 citations62
US4383512AMay 17, 1983
Air-fuel ratio control device of an internal combustion engine
TOYOTA MOTOR CO LTD3 citations60
NIPPON DENSO CO
5 patentsUS5209194AMay 11, 1993
Variable valve timing apparatus
NIPPON DENSO CO40 citations92
US4434775AMar 6, 1984
Apparatus for controlling pressurized air supply to engines
NIPPON DENSO CO21 citations80
US5215046AJun 1, 1993
Rotational phase difference adjusting means
NIPPON DENSO CO14 citations73
US4466414AAug 21, 1984
Supercharged internal combustion engine
NIPPON DENSO CO20 citations72
US4513945AApr 30, 1985
Electromagnetic reed valve
NIPPON DENSO CO13 citations71