Inventor

KAJIWARA HISAMI

JP2 patents

Patents

2 patents

US12348944B2Jul 1, 2025

Diaphragm for electroacoustic transducer

FOSTER ELECTRIC CO LTD0 citations54

US11317213B2Apr 26, 2022

Diaphragm for electroacoustic transducer

FOSTER ELECTRIC CO LTD0 citations45