Inventor
TAKAMI AKIO
29 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMI AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
27 patentsUS4958514ASep 25, 1990
Gas sensing element
NGK SPARK PLUG CO37 citations92
US4660407AApr 28, 1987
Gas sensor
NGK SPARK PLUG CO40 citations92
US4688015AAug 18, 1987
Gas sensor with ceramics substrate having surface-carried ceramics particles
NGK SPARK PLUG CO22 citations82
US4135038AJan 16, 1979
Seal structure of ceramics and low expansion metallic material
NGK SPARK PLUG CO27 citations81
US4465742AAug 14, 1984
Gold-plated electronic components
NGK SPARK PLUG CO20 citations78
US4720394AJan 19, 1988
Gas sensor with ceramics substrate and method for producing the same
NGK SPARK PLUG CO14 citations74
US4374942AFeb 22, 1983
Powder having a negative coefficient of linear thermal expansion and a composition containing the same
NGK SPARK PLUG CO7 citations74
US4352889AOct 5, 1982
Tin oxide, titanium oxide and/or zirconium oxide coated β-eucryptite particles having a negative coefficient of linear thermal expansion and sealing compositions containing said particles
NGK SPARK PLUG CO8 citations74
US4322968AApr 6, 1982
Temperature compensated plug-in type oxygen detector for exhaust gas
NGK SPARK PLUG CO16 citations74
US4310598AJan 12, 1982
Coated glass powder having a negative coefficient of linear thermal expansion and a composition containing the same
NGK SPARK PLUG CO7 citations74
US4309485AJan 5, 1982
Enameled steel plate
NGK SPARK PLUG CO17 citations74
US4288774ASep 8, 1981
Gas detector
NGK SPARK PLUG CO10 citations74
US4656863AApr 14, 1987
Gas sensor
NGK SPARK PLUG CO9 citations73
US4596132AJun 24, 1986
Gas component detecting plug
NGK SPARK PLUG CO11 citations73
US4328477AMay 4, 1982
Gas detecting element and process for producing the same
NGK SPARK PLUG CO5 citations73
US4857275AAug 15, 1989
Thick-film gas-sensitive element
NGK SPARK PLUG CO12 citations72
US4825683AMay 2, 1989
Apparatus for evaluating an oxygen sensor
NGK SPARK PLUG CO8 citations72
US4620437ANov 4, 1986
Gas sensor
NGK SPARK PLUG CO11 citations72
US4532179AJul 30, 1985
Metal-ceramic bonded material
NGK SPARK PLUG CO15 citations72
US4415877ANov 15, 1983
Gas sensing element
NGK SPARK PLUG CO11 citations71
US4349585ASep 14, 1982
Gold-plated electronic components and process for production thereof
NGK SPARK PLUG CO15 citations70
US4652849AMar 24, 1987
Gas sensor
NGK SPARK PLUG CO8 citations69
US4374456AFeb 22, 1983
Process for producing a gas detecting element
NGK SPARK PLUG CO6 citations68
US4909066AMar 20, 1990
Thick-film gas sensor of a laminar structure and a method of producing the same
NGK SPARK PLUG CO4 citations62
US5202154AApr 13, 1993
Method of producing thick-film gas sensor element having improved stability
NGK SPARK PLUG CO6 citations61
US4417228ANov 22, 1983
Gas component detector
NGK SPARK PLUG CO6 citations61
USRE34484EDec 21, 1993
Gold-plated electronic components
NGK SPARK PLUG CO4 citations59