Inventor
MOTEKI MASATOSHI
JP14 patents
Patents
14 patentsUS7378777B2May 27, 2008
Drive apparatus and device with same
SEIKO EPSON CORP45 citations96
US7116037B2Oct 3, 2006
Rotary drive device
SEIKO EPSON CORP20 citations92
US6863435B2Mar 8, 2005
Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon
SEIKO EPSON CORP26 citations92
US6843594B1Jan 18, 2005
Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece
SEIKO EPSON CORP36 citations92
US7742365B2Jun 22, 2010
Timepiece and portable device
SEIKO EPSON CORP18 citations83
US6097675AAug 1, 2000
Electronically controlled mechanical timepiece
SEIKO EPSON CORP13 citations73
US9823624B2Nov 21, 2017
Method for producing timepiece spring, device for producing timepiece spring, timepiece spring, and timepiece
SEIKO EPSON CORP2 citations72
US7590030B2Sep 15, 2009
Governor and a power generating device and an apparatus using the governor
SEIKO EPSON CORP6 citations62
US7522478B2Apr 21, 2009
Timepiece
SEIKO EPSON CORP5 citations62
US6872059B2Mar 29, 2005
Liquid discharger and apparatus including the liquid discharger
SEIKO EPSON CORP3 citations62
US6633511B1Oct 14, 2003
Electronic controlling type mechanical timepiece
SEIKO EPSON CORP3 citations62
US6373788B1Apr 16, 2002
Electronically controlled mechanical timepiece
SEIKO EPSON CORP2 citations62
US7780342B2Aug 24, 2010
Spring device and timepiece
SEIKO EPSON CORP3 citations61
US7961558B2Jun 14, 2011
Timepiece
SEIKO EPSON CORP0 citations41