Inventor
ITO RYO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “ITO RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ALPINE CO LTD
10 patentsUS11750976B2Sep 5, 2023
In-vehicle sound emitting device
ALPS ALPINE CO LTD2 citations73
US11805367B2Oct 31, 2023
Speaker
ALPS ALPINE CO LTD2 citations71
US12598408B2Apr 7, 2026
Acoustic apparatus
ALPS ALPINE CO LTD0 citations62
US12513440B2Dec 30, 2025
Speaker
ALPS ALPINE CO LTD0 citations62
US12570197B2Mar 10, 2026
In-vehicle conversation device
ALPS ALPINE CO LTD0 citations52
US12532119B2Jan 20, 2026
Speaker and acoustic device using speaker
ALPS ALPINE CO LTD0 citations52
US12452586B2Oct 21, 2025
Acoustic device
ALPS ALPINE CO LTD0 citations52
US11895475B2Feb 6, 2024
Speaker with improved cooling
ALPS ALPINE CO LTD0 citations52
US11700479B2Jul 11, 2023
Acoustic device
ALPS ALPINE CO LTD0 citations52
US12532125B2Jan 20, 2026
Speaker
ALPS ALPINE CO LTD0 citations48
ALPINE ELECTRONICS INC
7 patentsUS8708092B2Apr 29, 2014
Speaker device
ALPINE ELECTRONICS INC15 citations83
US10462555B2Oct 29, 2019
In-vehicle speaker
ALPINE ELECTRONICS INC4 citations73
US9743163B2Aug 22, 2017
Loudspeaker unit
ALPINE ELECTRONICS INC4 citations73
US9386376B2Jul 5, 2016
Speaker assembly for a high-temperature environment
ALPINE ELECTRONICS INC5 citations72
US9942636B2Apr 10, 2018
Vehicle-mounted speaker system
ALPINE ELECTRONICS INC0 citations52
US9963083B2May 8, 2018
Vehicle loudspeaker system
ALPINE ELECTRONICS INC1 citations49
US11276385B2Mar 15, 2022
Noise reduction device, vehicle, noise reduction system, and noise reduction method
ALPINE ELECTRONICS INC0 citations43
SONY CORP
5 patentsUS5691737ANov 25, 1997
System for explaining an exhibit using spectacle-type displays
SONY CORP84 citations96
US5451976ASep 19, 1995
Image display apparatus
SONY CORP72 citations96
US6204886B1Mar 20, 2001
TV receiver having recording/reproducing functions and method of recording/reproducing TV signals
SONY CORP38 citations92
US6427048B2Jul 30, 2002
Apparatus and method for recording, reproducing and displaying a video signal received by a signal receiver
SONY CORP13 citations73
US4794471ADec 27, 1988
Mode processing circuit
SONY CORP4 citations62
SONY CHEMICALS CORP
3 patentsTAIYO YUDEN KK
3 patentsUS12010921B2Jun 11, 2024
Piezoelectric element with lithium manganate-containing ceramic layers and silver-containing internal electrodes
TAIYO YUDEN KK0 citations63
US11631801B2Apr 18, 2023
Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration device
TAIYO YUDEN KK0 citations52
US11889767B2Jan 30, 2024
Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration apparatus
TAIYO YUDEN KK0 citations49
TOYOTA MOTOR CO LTD
2 patentsBROTHER IND LTD
2 patentsJTEKT CORP
2 patentsSUZUKI MOTOR CORP
2 patentsDEXERIALS CORP
2 patentsITO RYO
2 patentsDENSO CORP
2 patentsUS8010257B2Aug 30, 2011
Electronic control units for controlling in-vehicle devices using time-dependent data and vehicle control system integrating such units for real-time distributed control
DENSO CORP2 citations60
US7783401B2Aug 24, 2010
Method and device for managing tasks of in-vehicle electronic control unit
DENSO CORP0 citations38