Inventor
KATO KEIGO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KATO KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
8 patentsUS4158351AJun 19, 1979
Flow control valve for an exhaust gas recirculation apparatus of an exhaust gas pressure control type
TOYOTA MOTOR CO LTD20 citations73
US4416242ANov 22, 1983
Intake heating apparatus of an internal combustion engine
TOYOTA MOTOR CO LTD7 citations72
US4407254AOct 4, 1983
Intake heating apparatus of an internal combustion engine
TOYOTA MOTOR CO LTD15 citations72
US4188785AFeb 19, 1980
Fluid coupling
TOYOTA MOTOR CO LTD16 citations71
US4279323AJul 21, 1981
Power steering device for wheeled vehicles
TOYOTA MOTOR CO LTD15 citations68
US4425899AJan 17, 1984
Intake heating device of an internal combustion engine
TOYOTA MOTOR CO LTD12 citations66
US4399796AAug 23, 1983
Intake heating device of an internal combustion engine
TOYOTA MOTOR CO LTD5 citations61
US4398522AAug 16, 1983
Intake heating device of an internal combustion engine
TOYOTA MOTOR CO LTD5 citations61
AOYAMA SEISAKUSHO
6 patentsUS6061906AMay 16, 2000
Process for manufacturing a spool valve
AOYAMA SEISAKUSHO6 citations72
US5782268AJul 21, 1998
Spool valve and process for manufacturing the same
AOYAMA SEISAKUSHO6 citations72
US6520210B2Feb 18, 2003
Spool valve
AOYAMA SEISAKUSHO4 citations61
US6202283B1Mar 20, 2001
Method of manufacturing a shaft with surfaces thereof modified
AOYAMA SEISAKUSHO4 citations61
US6089068AJul 18, 2000
Method of manufacturing a shaft having a fluid flow passage
AOYAMA SEISAKUSHO2 citations61
US6675477B2Jan 13, 2004
Method for manufacturing spool valve
AOYAMA SEISAKUSHO0 citations51