Inventor
KAWAI RYUICHI
JP5 patents
Patents
5 patentsUS10135420B2Nov 20, 2018
Quartz crystal blank and quartz crystal resonator unit
MURATA MANUFACTURING CO8 citations81
US11121697B2Sep 14, 2021
Quartz crystal resonator and quartz crystal resonator unit
MURATA MANUFACTURING CO2 citations72
US9985604B2May 29, 2018
Quartz crystal blank and quartz crystal resonator unit
MURATA MANUFACTURING CO6 citations70
US11309864B2Apr 19, 2022
Piezoelectric resonator unit and method for manufacturing the piezoelectric resonator unit
MURATA MANUFACTURING CO5 citations69
US10476475B2Nov 12, 2019
Piezoelectric resonator unit and manufacturing method for the same
MURATA MANUFACTURING CO3 citations69