- All sections
- G - Physics
- G09B - Educational or demonstration appliances; appliances for teaching, or communicating with, the blind, deaf or mute; models; planetaria; globes; maps; diagrams
- G09B 15/00 - Teaching music
Patent holdings for IPC class G09B 15/00
Total number of patents in this class: 359
10-year publication summary
|
45
|
44
|
52
|
61
|
43
|
35
|
30
|
52
|
36
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4054 |
52 |
| Apple Inc. | 50209 |
11 |
| Jammit, Inc. | 29 |
10 |
| Sunland Information Technology Co., Ltd. | 59 |
9 |
| Casio Computer Co., Ltd. | 3343 |
8 |
| Sony Corporation | 32931 |
7 |
| Joytunes Ltd. | 32 |
7 |
| Sony Group Corporation | 10730 |
7 |
| International Business Machines Corporation | 60644 |
6 |
| School of Rock, LLC | 79 |
6 |
| Kids II Hape Joint Venture Limited | 13 |
6 |
| Yousician Oy | 41 |
5 |
| Ubisoft Entertainment S.A. | 239 |
4 |
| Koninklijke Philips Electronics N.V. | 13133 |
4 |
| Breakthrough Performancetech, LLC | 34 |
4 |
| Harmonix Music Systems, Inc. | 113 |
4 |
| Harmony Helper, LLC | 10 |
4 |
| Smule, Inc. | 158 |
4 |
| VoiceLessons, Inc. | 6 |
4 |
| GN IP Pty Ltd | 6 |
4 |
| Other owners | 193 |