Inventor
NARUMIYA TSUNEAKI
10 patents
⚠️ This page may combine multiple inventors who share the name “NARUMIYA TSUNEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE TIRE CO LTD
8 patentsUS4258099AMar 24, 1981
Cordierite, alumina, silica porous ceramic bodies coated with an activated alumina layer
BRIDGESTONE TIRE CO LTD59 citations95
US4560478ADec 24, 1985
Porous ceramic article
BRIDGESTONE TIRE CO LTD27 citations91
US4308233ADec 29, 1981
Device for purification of exhaust gas
BRIDGESTONE TIRE CO LTD46 citations91
US4257810AMar 24, 1981
Cordierite, silica, alumina porous ceramic body
BRIDGESTONE TIRE CO LTD44 citations91
US4426287AJan 17, 1984
Molten metal filtering device
BRIDGESTONE TIRE CO LTD20 citations81
US4302502ANov 24, 1981
Ceramic porous bodies
BRIDGESTONE TIRE CO LTD18 citations72
US4568273AFeb 4, 1986
Gas-permeable thermal insulator
BRIDGESTONE TIRE CO LTD5 citations61
US4358505ANov 9, 1982
Ink roller and a method of producing the same
BRIDGESTONE TIRE CO LTD5 citations58