- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 15/08 - Practice keyboards
Patent holdings for IPC class G09B 15/08
Total number of patents in this class: 19
10-year publication summary
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3
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6
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5
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4
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5
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7
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0
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2
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2
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Casio Computer Co., Ltd. | 3430 |
2 |
| McCarthy Music Corp. | 2 |
2 |
| Piano LED | 2 |
2 |
| Samsung Electronics Co., Ltd. | 146346 |
1 |
| Sony Corporation | 31036 |
1 |
| Yamaha Corporation | 4089 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6416 |
1 |
| Allegro Multimedia, Inc. | 7 |
1 |
| Arelis Josefina Galavis | 1 |
1 |
| Hitachi Systems, Ltd. | 250 |
1 |
| Percebe Music Inc. | 2 |
1 |
| Virtual Toys, S.L. | 2 |
1 |
| Giovanni Technologies, Inc. | 2 |
1 |
| Mobilizar Technologies Private Limited | 11 |
1 |
| Synca-Outfit NQ co., Ltd. | 6 |
1 |
| P.R. Sounds Ltd. | 1 |
1 |
| Other owners | 0 |