Acoustic apparatus
US-12598408-B2 · Apr 7, 2026 · US
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Ito Ryo patents
Ito Ryo is listed as an inventor on 84 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ito Ryo |
| Total patents | 84 |
| First publication | May 12, 2015 |
| Latest publication | Apr 7, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
High intensity sweetener-containing beverage
US-12593860-B2 · Apr 7, 2026 · US
Audio system
US-2026095698-A1 · Apr 2, 2026 · US
In-vehicle conversation device
US-12570197-B2 · Mar 10, 2026 · US
Information processing device
US-2026064340-A1 · Mar 5, 2026 · US
Acoustic device
US-2026046549-A1 · Feb 12, 2026 · US
Multilayer piezoelectric element
US-2026033245-A1 · Jan 29, 2026 · US
Speaker
US-12532125-B2 · Jan 20, 2026 · US
Speaker and acoustic device using speaker
US-12532119-B2 · Jan 20, 2026 · US
Vehicle-mounted loudspeaker
US-2026012732-A1 · Jan 8, 2026 · US
Recent patents
Latest publications not already listed above.
Acoustic apparatus
US-2026006374-A1 · Jan 1, 2026 · US
Speaker
US-12513440-B2 · Dec 30, 2025 · US
Acoustic device
US-12452586-B2 · Oct 21, 2025 · US
Connection body and method for manufacturing connection body
US-12418130-B2 · Sep 16, 2025 · US
Method for manufacturing connection body, and connection body
US-12418153-B2 · Sep 16, 2025 · US
Vehicle speaker
US-2025267394-A1 · Aug 21, 2025 · US
Speaker system
US-2025240569-A1 · Jul 24, 2025 · US
Presentation information generation apparatus and presentation information generation method
US-2025232568-A1 · Jul 17, 2025 · US
Lithium isotope separation method and lithium isotope separation device
US-2025222402-A1 · Jul 10, 2025 · US
Acoustic device
US-2025193587-A1 · Jun 12, 2025 · US
Transducer including piezoelectric element and method of producing same
US-2025048032-A1 · Feb 6, 2025 · US
Acoustic apparatus
US-2025039603-A1 · Jan 30, 2025 · US
Bodily-sensible acoustic device
US-2025030968-A1 · Jan 23, 2025 · US
Substrate processing apparatus, method for substrate processing, and method for manufacturing semiconductor device
US-2024429075-A1 · Dec 26, 2024 · US
Speaker
US-2024365034-A1 · Oct 31, 2024 · US
Acoustic apparatus
US-2024348956-A1 · Oct 17, 2024 · US
Audio output device
US-2024340573-A1 · Oct 10, 2024 · US
In-vehicle conversation device
US-2024336181-A1 · Oct 10, 2024 · US
Threshold-value setting device and threshold-value setting method
US-2024331400-A1 · Oct 3, 2024 · US
Acoustic Device
US-2024284095-A1 · Aug 22, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Alps Alpine Co Ltd | 32 |
| Alpine Electronics Inc | 11 |
| Taiyo Yuden Kk | 8 |
| Brother Ind Ltd | 6 |
| Univ Kyoto | 5 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R2499/13 | 25 |
| H04R9/06 | 17 |
| H04R1/025 | 16 |
| H04R2400/11 | 16 |
| H04R9/025 | 12 |