Inventor
MAESAWA TAMOTSU
JP10 patents
Patents
10 patentsUS10291058B2May 14, 2019
Portable device and portable timepiece
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US10110072B2Oct 23, 2018
Portable device and portable timepiece
SEIKO INSTR INC3 citations72
US11209779B2Dec 28, 2021
Timepiece and timepiece motor control method
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US9442465B2Sep 13, 2016
Electronic timepiece and control method of electronic timepiece
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US9941733B2Apr 10, 2018
Electronic device, communication system, and method of controlling electronic device
SEIKO INSTR INC1 citations51
US11382153B2Jul 5, 2022
Communication system, communication method, electronic timepiece, and communication apparatus
SEIKO INSTR INC0 citations50
US10228660B2Mar 12, 2019
Electronic apparatus and control method
SEIKO INSTR INC0 citations50
US10067480B2Sep 4, 2018
Time correction system, electronic device, timepiece, and program
SEIKO INSTR INC0 citations40
US9800333B2Oct 24, 2017
Electronic device, communication method and recording medium
SEIKO INSTR INC0 citations40
US9709962B2Jul 18, 2017
Time correction system, electronic device, timepiece, and program
SEIKO INSTR INC0 citations40