- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 15/00 - Teaching music
Patent holdings for IPC class G09B 15/00
Total number of patents in this class: 383
10-year publication summary
|
51
|
60
|
43
|
34
|
29
|
47
|
39
|
39
|
28
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4066 |
57 |
| Jammit, Inc. | 35 |
11 |
| School of Rock, LLC | 76 |
9 |
| Sunland Information Technology Co., Ltd. | 59 |
9 |
| Sony Group Corporation | 14843 |
9 |
| Casio Computer Co., Ltd. | 3459 |
8 |
| Apple Inc. | 56891 |
7 |
| Sony Corporation | 30634 |
7 |
| Circlesx LLC | 116 |
7 |
| Kids II Hape Joint Venture Limited | 13 |
6 |
| Simply Ltd. | 16 |
6 |
| International Business Machines Corporation | 61904 |
5 |
| Breakthrough Performancetech, LLC | 34 |
5 |
| Yousician Oy | 38 |
5 |
| Ubisoft Entertainment S.A. | 243 |
4 |
| Koninklijke Philips Electronics N.V. | 8417 |
4 |
| Harmonix Music Systems, Inc. | 111 |
4 |
| Smule, Inc. | 153 |
4 |
| VoiceLessons, Inc. | 5 |
4 |
| Artistworks, LLC | 7 |
4 |
| Other owners | 208 |