Inventor
KOYAMA YUGO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA YUGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
10 patentsUS7218036B2May 15, 2007
Piezoelectric oscillator, manufacturing method therefor, mobile phone apparatus using piezoelectric oscillator, and electronic apparatus using piezoelectric oscillator
SEIKO EPSON CORP21 citations91
US7123107B2Oct 17, 2006
Piezoelectric oscillator, manufacturing method thereof, and electronic device
SEIKO EPSON CORP19 citations91
US7057331B2Jun 6, 2006
Piezoelectric oscillator, portable telephone unit using piezoelectric oscillator, and electronic equipment using piezoelectric oscillator
SEIKO EPSON CORP37 citations91
US6998926B2Feb 14, 2006
Piezoelectric oscillator, portable phone employing piezoelectric oscillator, and electronic apparatus employing piezoelectric oscillator
SEIKO EPSON CORP36 citations91
US6917142B2Jul 12, 2005
Piezoelectric oscillator, portable telephone using a piezoelectric oscillator, and electronic device using a piezoelectric oscillator
SEIKO EPSON CORP37 citations91
USD532758SNov 28, 2006
Oscillator
SEIKO EPSON CORP15 citations82
US6323552B1Nov 27, 2001
Semiconductor device having bumps
SEIKO EPSON CORP9 citations73
US6689679B2Feb 10, 2004
Semiconductor device having bumps
SEIKO EPSON CORP4 citations62
US6437453B1Aug 20, 2002
Wire bonding method, semiconductor device, circuit board, electronic instrument and wire bonding device
SEIKO EPSON CORP4 citations62
US7408291B2Aug 5, 2008
Piezoelectric oscillator, manufacturing method thereof, and electronic device
SEIKO EPSON CORP4 citations61