Inventor
ISHIDA SACHIKO
JP5 patents
Patents
5 patentsUS11759740B2Sep 19, 2023
Honeycomb filter
NGK INSULATORS LTD1 citations58
US11759741B2Sep 19, 2023
Honeycomb filter
NGK INSULATORS LTD0 citations48
US11274588B2Mar 15, 2022
Honeycomb filter
NGK INSULATORS LTD0 citations48
US12390756B2Aug 19, 2025
Honeycomb filter
NGK INSULATORS LTD0 citations47
US11571688B2Feb 7, 2023
Honeycomb filter
NGK INSULATORS LTD0 citations47