P

Inventor

NARITA YOSHINORI

JP24 patents
⚠️ This page may combine multiple inventors who share the name “NARITA YOSHINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

13 patents
US5020319AJun 4, 1991

Hollow heat-resisting body assembly for internal combustion engine

NGK SPARK PLUG CO48 citations92
US4676064AJun 30, 1987

Heat-insulated port liner arrangement and method of fabrication

NGK SPARK PLUG CO45 citations92
US4461323AJul 24, 1984

Bent honeycomb pipe assembly with central pipe

NGK SPARK PLUG CO39 citations92
US4180538ADec 25, 1979

Method of making ceramic shaped article from inorganic raw material powder by extrusion molding

NGK SPARK PLUG CO35 citations92
US4168944ASep 25, 1979

Apparatus for manufacturing a tubular honeycomb assembly with an adiabatic layer formed integrally on the peripheral wall

NGK SPARK PLUG CO45 citations92
US4604779AAug 12, 1986

Method of producing a cylinder head with a port liner

NGK SPARK PLUG CO40 citations87
US4873952AOct 17, 1989

Engine cylinder head with precombustion chambers using porous ceramics insert

NGK SPARK PLUG CO22 citations82
US4055614AOct 25, 1977

Method of firing formed ceramic body

NGK SPARK PLUG CO7 citations74
US4997296AMar 5, 1991

Ceramic bearing and metal shaft assembly

NGK SPARK PLUG CO14 citations73
US4942804AJul 24, 1990

Piston with ceramic insert that covers piston head portion defining cavity

NGK SPARK PLUG CO16 citations73
US4899707AFeb 13, 1990

Engine cylinder head with precombustion chambers using ceramics insert

NGK SPARK PLUG CO14 citations73
US4828009AMay 9, 1989

Method of manufacturing a complex body of sintered ceramic material and metal

NGK SPARK PLUG CO3 citations63
US4881498ANov 21, 1989

Rocker arm made of ceramics

NGK SPARK PLUG CO2 citations62

NIPPON STEEL CORP

3 patents

CHUGAI PHARMACEUTICAL CO LTD

2 patents

NIHON DEMPA KOGYO CO

1 patent

OKANO FUMIYOSHI

1 patent

IDO TAKAYOSHI

1 patent

NIPPON PAINT AUTOMOTIVE COATINGS CO LTD

1 patent

KANSAI PAINT CO LTD

1 patent

TSUJIOKA HIDEAKI

1 patent