Inventor
NAGAO SHOICHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
8 patentsUS4939707AJul 3, 1990
Electronic wristwatch with generator
SEIKO EPSON CORP46 citations91
US7922385B2Apr 12, 2011
Piezoelectric drive device and electronic device
SEIKO EPSON CORP9 citations82
US6763915B2Jul 20, 2004
Mainspring mechanism and device having the same
SEIKO EPSON CORP14 citations79
US9823624B2Nov 21, 2017
Method for producing timepiece spring, device for producing timepiece spring, timepiece spring, and timepiece
SEIKO EPSON CORP2 citations72
US7377705B2May 27, 2008
Printing device driven by a mechanical energy storage device
SEIKO EPSON CORP8 citations72
US7859949B2Dec 28, 2010
Timepiece
SEIKO EPSON CORP3 citations62
US7798734B2Sep 21, 2010
Printing device
SEIKO EPSON CORP1 citations51
US7221525B2May 22, 2007
Drive apparatus, lens unit, and camera
SEIKO EPSON CORP1 citations51