Inventor
UCHIKAWA AKIRA
JP47 patents
⚠️ This page may combine multiple inventors who share the name “UCHIKAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISIA JECS CORP
18 patentsUS5533332AJul 9, 1996
Method and apparatus for self diagnosis of an internal combustion engine
UNISIA JECS CORP62 citations96
US5970967AOct 26, 1999
Method and apparatus for diagnosing an abnormality in a wide range air-fuel ratio sensor
UNISIA JECS CORP25 citations93
US5582157ADec 10, 1996
Fuel property detecting apparatus for internal combustion engines
UNISIA JECS CORP28 citations93
US5568725AOct 29, 1996
Apparatus and method for controlling the air-fuel ratio of an internal combustion engine
UNISIA JECS CORP50 citations93
US5549080AAug 27, 1996
Apparatus and method for diagnosing occurrence of failure in variable valve timing control system for internal combustion engine
UNISIA JECS CORP55 citations93
US5450837ASep 19, 1995
Apparatus and method for controlling the air-fuel ratio of an internal combustion engine
UNISIA JECS CORP25 citations93
US5870688AFeb 9, 1999
Misfire diagnostic system for internal combustion engine
UNISIA JECS CORP25 citations92
US6023964AFeb 15, 2000
Misfire diagnosis method and apparatus of internal combustion engine
UNISIA JECS CORP17 citations84
US5969230AOct 19, 1999
System and method for estimating the temperature of oxygen sensor installed in exhaust system of internal combustion engine
UNISIA JECS CORP17 citations84
US6161376ADec 19, 2000
Method and apparatus for controlling air-fuel ratio of internal combustion engine
UNISIA JECS CORP9 citations74
US5778866AJul 14, 1998
Air-fuel ratio detecting system of internal combustion engine
UNISIA JECS CORP12 citations74
US5728932AMar 17, 1998
Method for diagnosing performance of intake air amount detection device and apparatus thereof
UNISIA JECS CORP9 citations74
US5619852AApr 15, 1997
Air/fuel ratio control system for internal combustion engine
UNISIA JECS CORP17 citations74
US5598702AFeb 4, 1997
Method and apparatus for controlling the air-fuel ratio of an internal combustion engine
UNISIA JECS CORP15 citations74
US5671720ASep 30, 1997
Apparatus and method for controlling air-fuel ratio of an internal combustion engine
UNISIA JECS CORP5 citations63
US5505184AApr 9, 1996
Method and apparatus for controlling the air-fuel ratio of an internal combustion engine
UNISIA JECS CORP6 citations63
US5402640AApr 4, 1995
Air-fuel ratio control system of internal combustion engine
UNISIA JECS CORP3 citations63
US5546921AAug 20, 1996
Air-fuel ratio control system
UNISIA JECS CORP1 citations52
DENSO CORP
11 patentsUS5992514ANov 30, 1999
Heat exchanger having several exchanging portions
DENSO CORP79 citations96
US6357521B1Mar 19, 2002
Heat exchanger having header tank
DENSO CORP38 citations92
US6305465B1Oct 23, 2001
Double heat exchanger having condenser core and radiator core
DENSO CORP47 citations92
US6206089B1Mar 27, 2001
Heat exchanger and method for manufacturing the same
DENSO CORP20 citations91
US6595272B1Jul 22, 2003
Double heat exchanger having condenser core and radiator core
DENSO CORP14 citations84
US6173765B1Jan 16, 2001
Heat exchange having header tank
DENSO CORP15 citations84
US6167946B1Jan 2, 2001
Heat exchanger mounted to vehicle
DENSO CORP19 citations84
US6276447B1Aug 21, 2001
Apparatus formed by brazing and method for manufacturing the same
DENSO CORP15 citations79
US6523603B2Feb 25, 2003
Double heat exchanger with condenser and radiator
DENSO CORP11 citations73
US6269541B1Aug 7, 2001
Method of manufacturing a heat exchanger
DENSO CORP9 citations67
US6953080B2Oct 11, 2005
Front end structure of vehicle preventing short-circuit of cooling air
DENSO CORP0 citations40
JAPAN ELECTRONIC CONTROL SYST
6 patentsUS4915080AApr 10, 1990
Electronic air-fuel ratio control apparatus in internal combustion engine
JAPAN ELECTRONIC CONTROL SYST32 citations93
US5006221AApr 9, 1991
Oxygen concentration-detecting apparatus
JAPAN ELECTRONIC CONTROL SYST22 citations88
US4957705ASep 18, 1990
Oxygen gas concentration-detecting apparatus
JAPAN ELECTRONIC CONTROL SYST15 citations74
US4878473ANov 7, 1989
Internal combustion engine with electronic air-fuel ratio control apparatus
JAPAN ELECTRONIC CONTROL SYST11 citations74
US4854288AAug 8, 1989
Air-fuel ratio control apparatus in internal combustion engine
JAPAN ELECTRONIC CONTROL SYST7 citations74
US4773376ASep 27, 1988
Oxygen gas concentration-detecting apparatus and air-fuel ratio-controlling apparatus using same in internal combustion engine
JAPAN ELECTRONIC CONTROL SYST17 citations69
SEH AMERICA INC
4 patentsUS5641354AJun 24, 1997
Puller cell
SEH AMERICA INC31 citations91
US6228165B1May 8, 2001
Method of manufacturing crystal of silicon using an electric potential
SEH AMERICA INC18 citations86
US5702522ADec 30, 1997
Method of operating a growing hall containing puller cells
SEH AMERICA INC5 citations72
US5749967AMay 12, 1998
Puller cell
SEH AMERICA INC3 citations61