Inventor
IYAMA YUJI
JP5 patents
Patents
5 patentsUS11154803B2Oct 26, 2021
Electret fiber sheet
TORAY INDUSTRIES0 citations54
US10512861B2Dec 24, 2019
Electret fiber sheet
TORAY INDUSTRIES0 citations48
US10406469B2Sep 10, 2019
Electret fiber sheet
TORAY INDUSTRIES0 citations48
US9266046B2Feb 23, 2016
Mixed-fiber nonwoven fabric, laminated sheet and filter, and process for producing mixed-fiber nonwoven fabric
TORAY INDUSTRIES1 citations46
US9180392B2Nov 10, 2015
Mixed-fiber nonwoven fabric and filter medium using the same
TORAY INDUSTRIES0 citations46