Inventor
HIRAYA EIICHI
JP10 patents
Patents
10 patentsUS6567345B1May 20, 2003
Clocking device
SEIKO EPSON CORP38 citations91
US11550261B2Jan 10, 2023
Timepiece
SEIKO EPSON CORP2 citations70
US12332605B2Jun 17, 2025
Electronically controlled mechanical timepiece
SEIKO EPSON CORP0 citations60
US7307922B2Dec 11, 2007
Stopwatch and watch
SEIKO EPSON CORP4 citations60
US11625004B2Apr 11, 2023
Timepiece
SEIKO EPSON CORP1 citations59
US7614782B2Nov 10, 2009
Chronograph timepiece
SEIKO EPSON CORP2 citations56
US11868091B2Jan 9, 2024
Watch
SEIKO EPSON CORP0 citations49
US10248082B2Apr 2, 2019
Timepiece movement, mechanical timepiece, and method for releasing pawl lever from engagement
SEIKO EPSON CORP0 citations49
US9791832B2Oct 17, 2017
Timepiece and method for manufacturing timepiece
SEIKO EPSON CORP0 citations39
US7864634B2Jan 4, 2011
Timepiece with a calendar mechanism
SEIKO EPSON CORP0 citations39