Inventor
NAKAGAWA KEIJI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
21 patentsUS9347776B2May 24, 2016
Vibrating element and manufacturing method for the same, gyro sensor, electronic apparatus and moving object
SEIKO EPSON CORP6 citations84
US10760908B2Sep 1, 2020
Vibration device, angular velocity sensor, electronic device, and vehicle
SEIKO EPSON CORP3 citations73
US9683843B2Jun 20, 2017
Vibrator element and method of manufacturing the same
SEIKO EPSON CORP6 citations73
US9222775B2Dec 29, 2015
Vibrator element, sensor unit, and electronic device
SEIKO EPSON CORP4 citations73
US9130147B2Sep 8, 2015
Vibrating reed, gyro sensor, electronic apparatus, and mobile unit
SEIKO EPSON CORP4 citations73
US9490773B2Nov 8, 2016
Vibrating element, electronic device, electronic apparatus, and moving object
SEIKO EPSON CORP2 citations63
US11555702B2Jan 17, 2023
Physical quantity detection device, manufacturing method for physical quantity detection device, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations52
US10794778B2Oct 6, 2020
Physical quantity detecting device, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations52
US10079590B2Sep 18, 2018
Vibrator element, electronic device, electronic apparatus, moving object, and method of manufacturing vibrator element
SEIKO EPSON CORP0 citations52
US10001373B2Jun 19, 2018
Resonator element, electronic device, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations52
US9874484B2Jan 23, 2018
Physical quantity detecting device, electronic apparatus, and moving object
SEIKO EPSON CORP1 citations52
US9696156B2Jul 4, 2017
Vibrating element, sensor unit, electronic apparatus, and method for manufacturing vibrating element
SEIKO EPSON CORP0 citations52
US9523578B2Dec 20, 2016
Vibrating element and manufacturing method for the same, gyro sensor, electronic apparatus and moving object
SEIKO EPSON CORP0 citations52
US9354060B2May 31, 2016
Vibrating element, gyro sensor, electronic apparatus and moving object
SEIKO EPSON CORP0 citations52
US10222212B2Mar 5, 2019
Vibrator element, vibrator, gyro sensor, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations42
US10088314B2Oct 2, 2018
Angular velocity detection element, angular velocity detection device, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations42
US9581446B2Feb 28, 2017
Vibrating element with an increased amount of change in detuning frequency per unit mass, vibrator, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations42
US9255802B2Feb 9, 2016
Resonator element, resonator, oscillator, electronic apparatus, physical quantity sensor, mobile object, and frequency adjustment method of resonator element
SEIKO EPSON CORP0 citations42
US9246470B2Jan 26, 2016
Vibrating element, vibrator, oscillator, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations42
US9093638B2Jul 28, 2015
Vibrating element, sensor unit and electronic apparatus
SEIKO EPSON CORP0 citations42
US9587944B2Mar 7, 2017
Angular velocity sensor, electronic apparatus, and moving object
SEIKO EPSON CORP0 citations39
YAMAHA MOTOR CO LTD
5 patentsUSD306004SFeb 13, 1990
Water scooter
YAMAHA MOTOR CO LTD7 citations74
US5199367AApr 6, 1993
Catamaran
YAMAHA MOTOR CO LTD11 citations72
US5078072AJan 7, 1992
Catamaran
YAMAHA MOTOR CO LTD14 citations72
USD298529SNov 15, 1988
Motorboat
YAMAHA MOTOR CO LTD1 citations52
USD293668SJan 12, 1988
Motorboat
YAMAHA MOTOR CO LTD1 citations52