Inventor
AKIYAMA TOSHIKAZU
JP31 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA TOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS9335743B2May 10, 2016
Electronic timepiece and method for controlling display operation of electronic timepiece
SEIKO EPSON CORP8 citations84
US10042329B2Aug 7, 2018
Electronic device, time correction method, and time correction program
SEIKO EPSON CORP2 citations73
US9448539B2Sep 20, 2016
Electronic timepiece and reception control method of an electronic timepiece
SEIKO EPSON CORP4 citations73
US9720383B2Aug 1, 2017
Electronic timepiece and electronic device
SEIKO EPSON CORP1 citations63
US9448541B2Sep 20, 2016
Electronic timepiece
SEIKO EPSON CORP2 citations63
US9342056B2May 17, 2016
Electronic timepiece and electronic device
SEIKO EPSON CORP1 citations63
US9213318B2Dec 15, 2015
Electronic timepiece and electronic device
SEIKO EPSON CORP1 citations63
US9154181B2Oct 6, 2015
Satellite signal receiving device and electronic device
SEIKO EPSON CORP2 citations63
US7852712B2Dec 14, 2010
Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method
SEIKO EPSON CORP3 citations63
US11372377B2Jun 28, 2022
Electronic timepiece with leap second information acquisition
SEIKO EPSON CORP1 citations62
US11194293B2Dec 7, 2021
Electronic timepiece
SEIKO EPSON CORP0 citations52
US10901369B2Jan 26, 2021
Electronic timepiece
SEIKO EPSON CORP0 citations52
US10001757B2Jun 19, 2018
Electronic timepiece and method for controlling display operation of electronic timepiece
SEIKO EPSON CORP1 citations52
US10571867B2Feb 25, 2020
Electronic timepiece
SEIKO EPSON CORP0 citations42
US9563174B2Feb 7, 2017
Electronic device, time correction method, and time correction program
SEIKO EPSON CORP0 citations42
US9323229B2Apr 26, 2016
Electronic timepiece and satellite signal receiving method of electronic timepiece
SEIKO EPSON CORP0 citations42
AKIYAMA TOSHIKAZU
8 patentsUS8077550B2Dec 13, 2011
Electronic timepiece, time adjustment method for an electronic timepiece, and control program for an electronic timepiece
AKIYAMA TOSHIKAZU17 citations92
US8953999B2Feb 10, 2015
Satellite signal receiving device and electronic device
AKIYAMA TOSHIKAZU8 citations84
US8705321B2Apr 22, 2014
Electronic timepiece and time adjustment method for an electronic timepiece
AKIYAMA TOSHIKAZU8 citations83
US8576670B2Nov 5, 2013
Electronic timepiece and time difference correction method for an electronic timepiece
AKIYAMA TOSHIKAZU5 citations72
US9063523B2Jun 23, 2015
Electronic timepiece
AKIYAMA TOSHIKAZU3 citations62
US8493816B2Jul 23, 2013
Electronic timepiece, time adjustment method for an electronic timepiece, and control program for an electronic timepiece
AKIYAMA TOSHIKAZU2 citations62
US8514667B2Aug 20, 2013
Electronic timepiece and reception control method for an electronic timepiece
AKIYAMA TOSHIKAZU4 citations57
US8629804B2Jan 14, 2014
Execution method of position calculating circuit, position calculating circuit, operation control method of position calculating circuit, host device, and electronic apparatus
AKIYAMA TOSHIKAZU0 citations48