Inventor
TANAKA MASAKO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA MASAKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
14 patentsUS7368857B2May 6, 2008
Piezoelectric resonator element, piezoelectric, resonator, and piezoelectric oscillator
SEIKO EPSON CORP44 citations92
US7301258B2Nov 27, 2007
Piezoelectric resonator element, piezoelectric resonator, and piezoelectric oscillator
SEIKO EPSON CORP35 citations92
US6531807B2Mar 11, 2003
Piezoelectric device
SEIKO EPSON CORP36 citations92
US7802475B2Sep 28, 2010
Acceleration sensor
SEIKO EPSON CORP18 citations84
US7157983B2Jan 2, 2007
Cut of piezoelectric oscillator, piezoelectric oscillator, and piezoelectric device
SEIKO EPSON CORP11 citations84
US7608986B2Oct 27, 2009
Quartz crystal resonator
SEIKO EPSON CORP15 citations82
US7365477B2Apr 29, 2008
Piezoelectric vibrating element and piezoelectric vibrator
SEIKO EPSON CORP3 citations62
US6849991B2Feb 1, 2005
Quartz resonating piece, quartz resonator, and quartz device
SEIKO EPSON CORP4 citations61
US7423363B2Sep 9, 2008
Piezoelectric vibrating element and piezoelectric vibrator
SEIKO EPSON CORP5 citations60
US9035709B2May 19, 2015
Vibration element, vibrator, oscillator, electronic apparatus, and moving object
SEIKO EPSON CORP1 citations51
US9337801B2May 10, 2016
Vibration element, vibrator, oscillator, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations41
US9143113B2Sep 22, 2015
Resonator element, resonator, oscillator, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations41
US9070863B2Jun 30, 2015
Resonator element, resonator, oscillator, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations41
US7571648B2Aug 11, 2009
Piezoelectric vibration angular velocity sensor
SEIKO EPSON CORP0 citations39
SHOWA DENKO KK
5 patentsUS7923411B2Apr 12, 2011
Activated carbon material, and production method and use thereof
SHOWA DENKO KK17 citations92
US7232790B2Jun 19, 2007
Activated carbon, method for production thereof and use thereof
SHOWA DENKO KK23 citations92
US7691782B2Apr 6, 2010
Active carbon, production method thereof and polarizable electrode
SHOWA DENKO KK8 citations84
US8920765B2Dec 30, 2014
Graphite material, method for producing same, carbon material for battery electrodes, and battery
SHOWA DENKO KK2 citations60
US9368796B2Jun 14, 2016
Graphite material, carbon material for battery electrode, and battery
SHOWA DENKO KK0 citations50