P

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 patents
US9335743B2May 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 patents

HONDA KATSUYUKI

2 patents

NIPPON KOKAN KK

1 patent

NIPPON FURNACE KOGYO KK

1 patent

BABA NORIMITSU

1 patent

YAZAKI CORP

1 patent

MATSUZAKI JUN

1 patent