Inventor
TAKAGI SHIGERU
JP21 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SOKEN
17 patentsUS4535589AAug 20, 1985
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN96 citations96
US4523935AJun 18, 1985
Electrical heater retained in a porous ceramic structure
NIPPON SOKEN67 citations96
US4485622ADec 4, 1984
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN74 citations96
US4450682AMay 29, 1984
Carbon particulates cleaning device for diesel engine
NIPPON SOKEN83 citations96
US4436538AMar 13, 1984
Filter for cleaning exhaust gases from diesel engine
NIPPON SOKEN51 citations96
US4279864AJul 21, 1981
Monolithic catalyst converter
NIPPON SOKEN68 citations96
US4695300ASep 22, 1987
Radial flow type dust collecting filter
NIPPON SOKEN54 citations92
US4492079AJan 8, 1985
Method and apparatus for detecting degree of clogging in particle trapping member of internal combustion engine
NIPPON SOKEN53 citations92
US4459805AJul 17, 1984
Combustion burner apparatus
NIPPON SOKEN27 citations92
US4441899AApr 10, 1984
Dust collecting filter
NIPPON SOKEN37 citations92
US4386497AJun 7, 1983
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN37 citations92
US4528008AJul 9, 1985
Dust collecting filter
NIPPON SOKEN17 citations82
US4404798ASep 20, 1983
Exhaust gas cleaning device for internal combustion engine
NIPPON SOKEN21 citations82
US4084839AApr 18, 1978
Gas bag protection apparatus for vehicles
NIPPON SOKEN23 citations82
US4540535ASep 10, 1985
Method for producing a ceramic filter for cleaning exhaust gases from a diesel engine
NIPPON SOKEN12 citations74
US4450681AMay 29, 1984
Carbon particulates cleaning device for diesel engine
NIPPON SOKEN15 citations74
US4402655ASep 6, 1983
Vane pump with symmetrical inclined fluid confinement initiating line
NIPPON SOKEN0 citations41