Inventor
KOIKE KUNIO
JP18 patents
Patents
18 patentsUS7002531B2Feb 21, 2006
System and method for driving a display
SEIKO EPSON CORP25 citations92
US6483276B1Nov 19, 2002
Electronic device with variable chopping signal and duty ratio selection for strong braking
SEIKO EPSON CORP21 citations92
US6956794B2Oct 18, 2005
Electronically controlled timepiece, and power supply control method and time correction method therefore
SEIKO EPSON CORP14 citations84
US6584043B1Jun 24, 2003
Electronically controlled mechanical watch and method of preventing overcharge
SEIKO EPSON CORP14 citations84
US6373789B2Apr 16, 2002
Electronically controlled mechanical timepiece and method controlling the same
SEIKO EPSON CORP13 citations74
US6252828B1Jun 26, 2001
Electronically controlled mechanical timepiece and control method therefor
SEIKO EPSON CORP8 citations74
US6041021AMar 21, 2000
Electronically controlled mechanical timepiece and control method therefor
SEIKO EPSON CORP9 citations74
US6933797B2Aug 23, 2005
Oscillation circuit, electronic apparatus, and timepiece using a potential stabilization circuit with resistive terminations
SEIKO EPSON CORP9 citations73
US6757220B1Jun 29, 2004
Electronically controlled timepiece, and power supply control method and time correction method therefor
SEIKO EPSON CORP5 citations73
US6693852B2Feb 17, 2004
Electronic device, electronically-controlled mechanical timepiece, and electronic device controlling method
SEIKO EPSON CORP7 citations73
US6477116B1Nov 5, 2002
Rotation controller and rotation control method
SEIKO EPSON CORP10 citations73
US6466519B1Oct 15, 2002
Electronic device, electronic timepiece and power control method
SEIKO EPSON CORP13 citations73
US6414909B1Jul 2, 2002
Electrically controlled mechanical timepiece and control method therefor
SEIKO EPSON CORP11 citations73
US6314059B1Nov 6, 2001
Electronically controlled, mechanical timepiece and control method for the same
SEIKO EPSON CORP10 citations73
USRE38110EMay 6, 2003
Electronically controlled mechanical timepiece and control method therefor
SEIKO EPSON CORP1 citations63
US6829199B2Dec 7, 2004
Electronic apparatus, electronically controlled mechanical timepiece, methods of controlling them, program for controlling electronic apparatus, and storage medium
SEIKO EPSON CORP2 citations62
US6795378B2Sep 21, 2004
Electronic device, electronically controlled mechanical timepiece, and control method therefor
SEIKO EPSON CORP4 citations62
US6819633B2Nov 16, 2004
Braking without stopping generator for timepiece and other electronic units
SEIKO EPSON CORP0 citations52