Inventor
KOIKE NOBUHIRO
JP17 patents
Patents
17 patentsUS6466518B1Oct 15, 2002
Time measurement device
SEIKO EPSON CORP30 citations92
US6370087B1Apr 9, 2002
Time measurement device and time measurement method
SEIKO EPSON CORP21 citations92
US6567345B1May 20, 2003
Clocking device
SEIKO EPSON CORP38 citations91
US7215603B2May 8, 2007
Clocking apparatus
SEIKO EPSON CORP15 citations83
US6973010B1Dec 6, 2005
Timepiece device
SEIKO EPSON CORP15 citations83
US6724692B1Apr 20, 2004
Time measurement device and method
SEIKO EPSON CORP15 citations83
US5339297AAug 16, 1994
Switching arrangement for applying battery voltage to circuitry block in an analog timepiece
SEIKO EPSON CORP16 citations74
US5214625AMay 25, 1993
Setting mechanism for an analog timepiece
SEIKO EPSON CORP14 citations74
US5042016AAug 20, 1991
Analog timepiece
SEIKO EPSON CORP14 citations74
US6097672AAug 1, 2000
Display device and watch with same
SEIKO EPSON CORP11 citations73
US5617376AApr 1, 1997
Gear train structure of an electronic watch
SEIKO EPSON CORP5 citations68
US5506820AApr 9, 1996
Gear train structure of an electronic watch
SEIKO EPSON CORP7 citations68
US10908556B2Feb 2, 2021
Timepiece movement and timepiece
SEIKO EPSON CORP1 citations62
US10809665B2Oct 20, 2020
Timepiece movement
SEIKO EPSON CORP1 citations62
US7364352B2Apr 29, 2008
Time measurement device and method
SEIKO EPSON CORP2 citations62
US11022940B2Jun 1, 2021
Timepiece movement and timepiece
SEIKO EPSON CORP0 citations51
US9019802B2Apr 28, 2015
Solar-powered electronic timepiece
SEIKO EPSON CORP0 citations41