Inventor
ISHIKAWA KATSUO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA KATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EPSON TOYOCOM CORP
4 patentsUS7859172B2Dec 28, 2010
Piezoelectric resonator, manufacturing method thereof and lid for piezoelectric resonator
EPSON TOYOCOM CORP12 citations81
US7714484B2May 11, 2010
Piezoelectric resonator and manufacturing method therefor
EPSON TOYOCOM CORP19 citations81
USD580592SNov 11, 2008
Piezoelectric device
EPSON TOYOCOM CORP3 citations60
USD580096SNov 4, 2008
Piezoelectric device
EPSON TOYOCOM CORP2 citations60