Audio processing device, information processing method, and earpiece
US-2026089430-A1 · Mar 26, 2026 · US
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Kamata Masaki patents
Kamata Masaki is listed as an inventor on 21 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kamata Masaki |
| Total patents | 21 |
| First publication | Oct 3, 2019 |
| Latest publication | Mar 26, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Information processing apparatus, information processing method, and information processing program
US-12483850-B2 · Nov 25, 2025 · US
Output apparatus
US-12474877-B2 · Nov 18, 2025 · US
Audiovisual presentation device and signal processing device
US-12452570-B2 · Oct 21, 2025 · US
Information processing apparatus and information processing method
US-2025014562-A1 · Jan 9, 2025 · US
Sound pressure control device, electronic device, and component
US-2024414471-A1 · Dec 12, 2024 · US
Information processing apparatus and information processing method
US-12148412-B2 · Nov 19, 2024 · US
Speaker and electronic apparatus
US-2024314476-A1 · Sep 19, 2024 · US
Speaker system and sound output method
US-11877121-B2 · Jan 16, 2024 · US
Audiovisual presentation device and signal processing device
US-2023412955-A1 · Dec 21, 2023 · US
Recent patents
Latest publications not already listed above.
Output apparatus
US-2023367531-A1 · Nov 16, 2023 · US
Information processing apparatus, information processing method, and information processing program
US-2023336934-A1 · Oct 19, 2023 · US
Information processing apparatus, information processing method, and program
US-2023230568-A1 · Jul 20, 2023 · US
Information processing apparatus, information processing method, and program
US-2023222998-A1 · Jul 13, 2023 · US
Speaker system and sound output method
US-2023007389-A1 · Jan 5, 2023 · US
Speaker drive unit, speaker apparatus, and speaker driving method
US-11477572-B2 · Oct 18, 2022 · US
Sound output control apparatus and sound output control method
US-11463810-B2 · Oct 4, 2022 · US
Speaker drive unit, speaker apparatus, and speaker driving method
US-2021352407-A1 · Nov 11, 2021 · US
Sound output control apparatus, sound output control method, and program
US-2021076136-A1 · Mar 11, 2021 · US
Sound processing device and method to suppress an excessive amplitude
US-10734959-B2 · Aug 4, 2020 · US
Sound processing device, method, and program
US-2019305741-A1 · Oct 3, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Sony Group Corp | 15 |
| Sony Corp | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R2499/15 | 8 |
| H04R3/04 | 7 |
| H04R1/345 | 6 |
| H04R1/02 | 5 |
| H04R3/007 | 4 |