P

Inventor

OHASHI KOJI

JP73 patents
⚠️ This page may combine multiple inventors who share the name “OHASHI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

40 patents
US7291960B2Nov 6, 2007

Piezoelectric device, piezoelectric actuator, piezoelectric pump, inkjet recording head, inkjet printer, surface acoustic wave device, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic instrument

SEIKO EPSON CORP23 citations93
US7255941B2Aug 14, 2007

Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor

SEIKO EPSON CORP15 citations93
US7037731B2May 2, 2006

Ferroelectric capacitor, method of manufacturing the same, ferroelectric memory, and piezoelectric device

SEIKO EPSON CORP23 citations93
US9772314B2Sep 26, 2017

Ultrasonic sensor and measuring method using the same, and method of manufacturing ultrasonic sensor

SEIKO EPSON CORP7 citations84
US7622850B2Nov 24, 2009

Piezoelectric device, piezoelectric actuator, piezoelectric pump, inkjet recording head, inkjet printer, surface acoustic wave device, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic instrument

SEIKO EPSON CORP12 citations84
US7560854B2Jul 14, 2009

Piezoelectric element and its manufacturing method

SEIKO EPSON CORP13 citations84
US7524451B2Apr 28, 2009

Method of manufacturing an insulating target material

SEIKO EPSON CORP9 citations84
US7371473B2May 13, 2008

Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor

SEIKO EPSON CORP13 citations84
US7710004B2May 4, 2010

Insulating target material, method of manufacturing insulating target material, conductive complex oxide film, and device

SEIKO EPSON CORP6 citations74
US7187025B2Mar 6, 2007

Ferroelectric material, ferroelectric film and method of manufacturing the same, ferroelectric capacitor and method of manufacturing the same, ferroelectric memory, and piezoelectric device

SEIKO EPSON CORP8 citations74
US11378670B2Jul 5, 2022

Ultrasonic device and ultrasonic apparatus

SEIKO EPSON CORP2 citations73
US11152559B2Oct 19, 2021

Piezoelectric element, ultrasonic sensor, discharging head, ultrasonic device, liquid discharging device, and method of manufacturing piezoelectric element

SEIKO EPSON CORP2 citations73
US10319897B2Jun 11, 2019

Ultrasonic sensor and manufacturing method for the same

SEIKO EPSON CORP2 citations73
US10161916B2Dec 25, 2018

Ultrasonic sensor and measuring method using the same, and method of manufacturing ultrasonic sensor

SEIKO EPSON CORP2 citations73
US9272515B2Mar 1, 2016

Liquid ejecting head, liquid ejecting apparatus, piezoelectric element, ultrasonic transducer, and ultrasonic device

SEIKO EPSON CORP4 citations73
US12239025B2Feb 25, 2025

Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus

SEIKO EPSON CORP0 citations63
US11917922B2Feb 27, 2024

Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus

SEIKO EPSON CORP0 citations63
US11581478B2Feb 14, 2023

Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus

SEIKO EPSON CORP0 citations63
US11179748B2Nov 23, 2021

Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus

SEIKO EPSON CORP0 citations63
US7707701B2May 4, 2010

Method for manufacturing a piezoelectric element

SEIKO EPSON CORP2 citations63
US7179705B2Feb 20, 2007

Ferroelectric capacitor and its manufacturing method, and ferroelectric memory device

SEIKO EPSON CORP3 citations63
US7163828B2Jan 16, 2007

Electrode, method of manufacturing the same, ferroelectric memory, and semiconductor device

SEIKO EPSON CORP2 citations63
US11872592B2Jan 16, 2024

Ultrasonic device and ultrasonic apparatus

SEIKO EPSON CORP0 citations62
US11858000B2Jan 2, 2024

Ultrasonic device and ultrasonic sensor

SEIKO EPSON CORP0 citations62
US11800809B2Oct 24, 2023

Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus

SEIKO EPSON CORP0 citations62
US11594670B2Feb 28, 2023

MEMs device and electronic device

SEIKO EPSON CORP1 citations62
US11437564B2Sep 6, 2022

Ultrasonic device and ultrasonic apparatus

SEIKO EPSON CORP0 citations62
US11397254B2Jul 26, 2022

Ultrasonic device and ultrasonic sensor

SEIKO EPSON CORP1 citations62
US11085816B2Aug 10, 2021

Ultrasonic wave sensor and ultrasonic wave device

SEIKO EPSON CORP0 citations62
US11005026B2May 11, 2021

Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid ejection head, and liquid ejection device

SEIKO EPSON CORP0 citations62
US10991871B2Apr 27, 2021

Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic device, electronic apparatus, liquid jet head, and liquid jet device

SEIKO EPSON CORP0 citations62
US10964877B2Mar 30, 2021

Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus

SEIKO EPSON CORP0 citations62
US12311664B2May 27, 2025

Piezoelectric element, head chip, liquid ejection device, and sensor

SEIKO EPSON CORP0 citations61
US10203404B2Feb 12, 2019

Ultrasonic sensor and manufacturing method for the same

SEIKO EPSON CORP1 citations61
US12156475B2Nov 26, 2024

Piezoelectric device having plurality of vibrating regions and electronic apparatus

SEIKO EPSON CORP0 citations52
US11998390B2Jun 4, 2024

Piezoelectric actuator, ultrasound element, ultrasound probe, ultrasound device, and electronic device

SEIKO EPSON CORP0 citations52
US11690594B2Jul 4, 2023

Piezoelectric actuator, ultrasonic element, ultrasonic probe, ultrasonic device, and electronic device

SEIKO EPSON CORP0 citations52
US11594671B2Feb 28, 2023

Ultrasonic device and ultrasonic sensor

SEIKO EPSON CORP0 citations52
US11529649B2Dec 20, 2022

Piezoelectric film, piezoelectric module, and method of manufacturing piezoelectric film

SEIKO EPSON CORP0 citations52
US11532780B2Dec 20, 2022

Ultrasonic sensor and electronic device

SEIKO EPSON CORP0 citations52

KYOSHIN KOGYO KK

3 patents

OHASHI KOJI

2 patents

FUJI XEROX CO LTD

1 patent

HONDA TAKAHIRO

1 patent

YOKOGAWA ELECTRIC CORP

1 patent

ASAHI GLASS CO LTD

1 patent

TOYOTA BOSHOKU KK

1 patent

Showing the top 50 of 73 patents by PatentIndex Score.