Sound emitting apparatus and electronic keyboard instrument
US-2026089438-A1 · Mar 26, 2026 · US
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Akai Hiroki patents
Akai Hiroki is listed as an inventor on 20 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Akai Hiroki |
| Total patents | 20 |
| First publication | Sep 23, 2021 |
| Latest publication | Mar 26, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Sound emitting apparatus and electronic keyboard instrument
US-2025373968-A1 · Dec 4, 2025 · US
Electronic keyboard instrument
US-2025308492-A1 · Oct 2, 2025 · US
External member, external member molding method, and electronic instrument
US-12413903-B2 · Sep 9, 2025 · US
External member, external member molding method, and electronic instrument
US-12389144-B2 · Aug 12, 2025 · US
Electronic keyboard instrument
US-12347411-B2 · Jul 1, 2025 · US
Electronic keyboard instrument
US-2025106551-A1 · Mar 27, 2025 · US
Electronic apparatus
US-2025106548-A1 · Mar 27, 2025 · US
Sound radiation appratus, electronic musical instrument, and sound radiation appratus fabrication method
US-12185041-B2 · Dec 31, 2024 · US
Electronic instrument and electronic keyboard instrument
US-2024430615-A1 · Dec 26, 2024 · US
Recent patents
Latest publications not already listed above.
Electronic instrument and electronic keyboard instrument
US-2024428761-A1 · Dec 26, 2024 · US
Electronic instrument and electronic keyboard instrument
US-2024430614-A1 · Dec 26, 2024 · US
Electronic keyboard equipment
US-2024321249-A1 · Sep 26, 2024 · US
Electronic keyboard instrument
US-2024321247-A1 · Sep 26, 2024 · US
Electronic musical instrument and electronic keyboard instrument
US-12003918-B2 · Jun 4, 2024 · US
Electronic keyboard instrument
US-2023306942-A1 · Sep 28, 2023 · US
External member, external member molding method, and electronic instrument
US-2023199376-A1 · Jun 22, 2023 · US
External member, external member molding method, and electronic instrument
US-2023199353-A1 · Jun 22, 2023 · US
Sound radiation appratus, electronic musical instrument, and sound radiation appratus fabrication method
US-2023199352-A1 · Jun 22, 2023 · US
Electronic musical instrument and electronic keyboard
US-2021297767-A1 · Sep 23, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Casio Computer Co Ltd | 20 |
Top CPC classifications
Most common classification codes across this inventor's patents.