Inventor

KATSURAYAMA Yuuta

JP5 patents

Patents

5 patents

US11688563B2Jun 27, 2023

Electret sheet

SEKISUI CHEMICAL CO LTD0 citations58

US11024463B2Jun 1, 2021

Electret sheet

SEKISUI CHEMICAL CO LTD0 citations58

US10978252B2Apr 13, 2021

Electret sheet

SEKISUI CHEMICAL CO LTD0 citations58

US11908629B2Feb 20, 2024

Electret sheet and piezoelectric sensor

SEKISUI CHEMICAL CO LTD0 citations57

US11264556B2Mar 1, 2022

Piezoelectric sensor

SEKISUI CHEMICAL CO LTD1 citations56