Inventor
USUDA TOSHIYA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “USUDA TOSHIYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
14 patentsUS10742221B2Aug 11, 2020
Circuit device, oscillator, physical quantity measurement device, electronic apparatus, and vehicle
SEIKO EPSON CORP7 citations83
US7259501B2Aug 21, 2007
Piezoelectric oscillator and electronic device
SEIKO EPSON CORP18 citations82
US11921467B2Mar 5, 2024
Watch
SEIKO EPSON CORP0 citations62
US10725497B2Jul 28, 2020
Clocking device, electronic apparatus, and vehicle
SEIKO EPSON CORP1 citations62
US12316300B2May 27, 2025
Real-time clock device
SEIKO EPSON CORP0 citations61
US11811389B2Nov 7, 2023
Real-time clock device
SEIKO EPSON CORP0 citations61
US10732670B2Aug 4, 2020
Real-time clock module, electronic device, vehicle, and information processing system
SEIKO EPSON CORP1 citations61
US12451841B2Oct 21, 2025
Circuit device and oscillator
SEIKO EPSON CORP0 citations60
US12273071B2Apr 8, 2025
Circuit device and oscillator
SEIKO EPSON CORP0 citations60
US10985928B2Apr 20, 2021
Circuit device, oscillation device, physical quantity measuring device, electronic apparatus, and vehicle
SEIKO EPSON CORP0 citations51
US10432177B2Oct 1, 2019
Circuit device, real-time clocking device, electronic apparatus, vehicle, and verification method
SEIKO EPSON CORP0 citations50
US9363895B2Jun 7, 2016
Circuit substrate, electronic device, method of manufacturing electronic device, electronic apparatus, and moving object
SEIKO EPSON CORP1 citations50
US10135391B2Nov 20, 2018
Oscillation circuit, electronic apparatus, and moving object
SEIKO EPSON CORP1 citations49
US10128854B2Nov 13, 2018
Oscillation circuit, electronic apparatus, and moving object
SEIKO EPSON CORP1 citations49