P

Inventor

ITO HISAHIRO

JP33 patents
⚠️ This page may combine multiple inventors who share the name “ITO HISAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

23 patents
US10771013B2Sep 8, 2020

Oscillator, electronic apparatus, vehicle, and manufacturing method of oscillator

SEIKO EPSON CORP2 citations73
US9628096B2Apr 18, 2017

Oscillation circuit, oscillator, fractional N-PLL circuit, electronic apparatus, moving object, and determination method of reference frequency of fractional N-PLL circuit

SEIKO EPSON CORP2 citations68
US12519424B2Jan 6, 2026

Oscillator and electronic apparatus

SEIKO EPSON CORP0 citations62
US11863157B2Jan 2, 2024

Vibrator device

SEIKO EPSON CORP0 citations62
US11563437B2Jan 24, 2023

Integrated circuit apparatus and oscillator

SEIKO EPSON CORP0 citations62
US11431343B2Aug 30, 2022

Oscillator, electronic apparatus, and vehicle

SEIKO EPSON CORP1 citations62
US10784817B2Sep 22, 2020

Oscillator, electronic apparatus and vehicle

SEIKO EPSON CORP1 citations62
US10734969B2Aug 4, 2020

Vibrator device, oscillator, electronic device, and vehicle

SEIKO EPSON CORP1 citations62
US10673382B2Jun 2, 2020

Oscillator, electronic apparatus, vehicle, and method of manufacturing oscillator

SEIKO EPSON CORP1 citations61
US11196427B2Dec 7, 2021

Charge pump circuit, PLL circuit, and oscillator

SEIKO EPSON CORP0 citations57
US12278596B2Apr 15, 2025

Circuit unit and vibrator device

SEIKO EPSON CORP0 citations55
US10850972B2Dec 1, 2020

Vibrator device, oscillator, electronic device, and vehicle

SEIKO EPSON CORP0 citations52
US10742169B2Aug 11, 2020

Oscillator, electronic apparatus, and vehicle

SEIKO EPSON CORP0 citations52
US10613576B2Apr 7, 2020

Oscillator, clock signal generator, electronic apparatus, and vehicle

SEIKO EPSON CORP0 citations52
US9641366B2May 2, 2017

Wireless communication device, electronic apparatus, and moving object

SEIKO EPSON CORP0 citations52
US9628087B2Apr 18, 2017

Radio transmission apparatus

SEIKO EPSON CORP0 citations52
US11397446B2Jul 26, 2022

Circuit device, electronic device, communication system, and vehicle electronic key system

SEIKO EPSON CORP0 citations51
US11043954B2Jun 22, 2021

Oscillation circuit, oscillator, communication device, and method of controlling oscillation circuit

SEIKO EPSON CORP0 citations51
US10615747B2Apr 7, 2020

Vibrator device, oscillator, electronic device, and vehicle

SEIKO EPSON CORP0 citations51
US11165433B2Nov 2, 2021

Charge pump, PLL circuit, and oscillator

SEIKO EPSON CORP0 citations43
US10396747B2Aug 27, 2019

Temperature compensated oscillation circuit, oscillator, electronic apparatus, vehicle, and method of manufacturing oscillator

SEIKO EPSON CORP0 citations41
US9984991B2May 29, 2018

Circuit device, electronic apparatus and moving object

SEIKO EPSON CORP0 citations41
US9344033B2May 17, 2016

Variable capacitance circuit, oscillator circuit, vibratory device, electronic apparatus, moving object, and method of manufacturing vibratory device

SEIKO EPSON CORP0 citations41

HONDA MOTOR CO LTD

10 patents