Inventor
OHTA YOSHIKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “OHTA YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
18 patentsUS11548030B2Jan 10, 2023
Vibration device
TDK CORP4 citations73
USD933616SOct 19, 2021
Vibration element
TDK CORP2 citations70
USD857020SAug 20, 2019
Piezoelectric element
TDK CORP2 citations70
USD857021SAug 20, 2019
Piezoelectric element
TDK CORP4 citations70
US10109782B2Oct 23, 2018
Piezoelectric element and piezoelectric actuator
TDK CORP2 citations69
US11944999B2Apr 2, 2024
Vibration device and piezoelectric element
TDK CORP0 citations61
US11930713B2Mar 12, 2024
Piezoelectric element and vibrating device
TDK CORP0 citations61
US11532779B2Dec 20, 2022
Piezoelectric element
TDK CORP0 citations61
US11665967B2May 30, 2023
Vibration device
TDK CORP0 citations60
US12120483B2Oct 15, 2024
Audio device
TDK CORP0 citations58
US12479007B2Nov 25, 2025
Ultrasonic transducer
TDK CORP0 citations56
US10770641B2Sep 8, 2020
Piezoelectric element
TDK CORP0 citations51
US11581479B2Feb 14, 2023
Piezoelectric element
TDK CORP0 citations50
US10644220B2May 5, 2020
Piezoelectric element
TDK CORP0 citations48
US12356863B2Jul 8, 2025
Piezoelectric element
TDK CORP0 citations47
US11189777B2Nov 30, 2021
Multilayer piezoelectric element and vibrating device
TDK CORP0 citations47
US10707404B2Jul 7, 2020
Piezoelectric element
TDK CORP0 citations45
US10686119B2Jun 16, 2020
Piezoelectric device
TDK CORP0 citations37
PIONEER CORP
10 patentsUS6655212B2Dec 2, 2003
Sound field measuring apparatus and method
PIONEER CORP27 citations92
US8041046B2Oct 18, 2011
Reverberation adjusting apparatus, reverberation adjusting method, reverberation adjusting program, recording medium on which the reverberation adjusting program is recorded, and sound field correcting system
PIONEER CORP14 citations84
US7171009B2Jan 30, 2007
Method of correcting sound field in an audio system
PIONEER CORP15 citations84
US7068799B2Jun 27, 2006
Sound field correcting method in audio system
PIONEER CORP11 citations84
US7058187B2Jun 6, 2006
Automatic sound field correcting system and a sound field correcting method
PIONEER CORP18 citations84
US6928172B2Aug 9, 2005
Automatic sound field correcting system
PIONEER CORP20 citations84
US6909041B2Jun 21, 2005
Sound field control method and sound field control system
PIONEER CORP9 citations74
US8023662B2Sep 20, 2011
Reverberation adjusting apparatus, reverberation correcting method, and sound reproducing system
PIONEER CORP5 citations62
US6621906B2Sep 16, 2003
Sound field generation system
PIONEER CORP4 citations54
US8054726B2Nov 8, 2011
Processor and processing program
PIONEER CORP0 citations42
OHTA YOSHIKI
4 patentsUS9226066B2Dec 29, 2015
Active vibration noise control device
OHTA YOSHIKI8 citations81
US8300835B2Oct 30, 2012
Audio signal processing apparatus, audio signal processing method, audio signal processing program, and computer-readable recording medium
OHTA YOSHIKI2 citations58
US8891781B2Nov 18, 2014
Active vibration noise control device
OHTA YOSHIKI1 citations47
US8204235B2Jun 19, 2012
Center channel positioning apparatus
OHTA YOSHIKI0 citations40
PIONEER ELECTRONIC CORP
3 patentsISEKI AKIHIRO
3 patentsUS9123325B2Sep 1, 2015
Active vibration noise control device
ISEKI AKIHIRO6 citations67
US9503817B2Nov 22, 2016
Sound reproduction device
ISEKI AKIHIRO1 citations48
US9503816B2Nov 22, 2016
Surround signal generating device, surround signal generating method and surround signal generating program
ISEKI AKIHIRO1 citations48