P

Inventor

KAMIYAMA MASAYUKI

JP37 patents
⚠️ This page may combine multiple inventors who share the name “KAMIYAMA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

24 patents
US8344688B2Jan 1, 2013

Power reception device, non-contact power transmission system, and electronic instrument

SEIKO EPSON CORP37 citations98
US8004118B2Aug 23, 2011

Power transmission control device, power transmitting device, electronic instrument, and non-contact power transmission system

SEIKO EPSON CORP54 citations94
US9209636B2Dec 8, 2015

Power reception control device and power reception control method for non-contact power transmission

SEIKO EPSON CORP11 citations92
US8836273B2Sep 16, 2014

Power reception control device, power reception device, non-contact power transmission system, electronic instrument and power reception control method

SEIKO EPSON CORP12 citations92
US8369905B2Feb 5, 2013

Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus

SEIKO EPSON CORP23 citations92
US8026694B2Sep 27, 2011

Power transmission control device, power transmission device, non-contact power transmission system, and electronic instrument

SEIKO EPSON CORP38 citations92
US8359073B2Jan 22, 2013

Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus

SEIKO EPSON CORP7 citations84
US10742221B2Aug 11, 2020

Circuit device, oscillator, physical quantity measurement device, electronic apparatus, and vehicle

SEIKO EPSON CORP7 citations83
US12259745B2Mar 25, 2025

Real-time clock module

SEIKO EPSON CORP2 citations75
US10903695B2Jan 26, 2021

Power reception device and power reception method for non-contact power transmission

SEIKO EPSON CORP1 citations73
US10516299B2Dec 24, 2019

Power reception device and power reception method for non-contact power transmission

SEIKO EPSON CORP1 citations73
US10305490B2May 28, 2019

Circuit device, oscillator, electronic apparatus, and moving object

SEIKO EPSON CORP2 citations73
US9673636B2Jun 6, 2017

Power reception control device and power reception control method for non-contact power transmission

SEIKO EPSON CORP3 citations73
US9438073B2Sep 6, 2016

Power supply switching circuit, real time clock device, electronic apparatus, mobile unit, and method of controlling power supply switching circuit

SEIKO EPSON CORP3 citations72
US7884927B2Feb 8, 2011

Power transmission control device, non-contact power transmission system, power transmitting device, electronic instrument, and waveform monitor circuit

SEIKO EPSON CORP3 citations63
US7250943B2Jul 31, 2007

Display control device

SEIKO EPSON CORP4 citations63
US11231743B2Jan 25, 2022

Timer, electronic apparatus, and vehicle

SEIKO EPSON CORP0 citations62
US10725497B2Jul 28, 2020

Clocking device, electronic apparatus, and vehicle

SEIKO EPSON CORP1 citations62
US10379571B2Aug 13, 2019

Timing device, electronic apparatus, and moving object

SEIKO EPSON CORP1 citations61
US12301009B2May 13, 2025

Circuit device and real-time clock device

SEIKO EPSON CORP0 citations52
US10727817B2Jul 28, 2020

Real-time clock device, electronic device, and vehicle

SEIKO EPSON CORP0 citations52
US10985928B2Apr 20, 2021

Circuit device, oscillation device, physical quantity measuring device, electronic apparatus, and vehicle

SEIKO EPSON CORP0 citations51
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

MITSUI TOATSU CHEMICALS

3 patents

ONISHI KOTA

3 patents

KAMIJO TAKAHIRO

2 patents

SHIOZAKI NOBUTAKA

2 patents

MITSUI NISSO CORP

1 patent

KONDO YOICHIRO

1 patent

IISAKA KEN

1 patent