- 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: 370
10-year publication summary
|
44
|
52
|
61
|
43
|
36
|
30
|
52
|
38
|
39
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4092 |
53 |
| Jammit, Inc. | 35 |
10 |
| School of Rock, LLC | 76 |
9 |
| Sunland Information Technology Co., Ltd. | 59 |
9 |
| Sony Group Corporation | 13661 |
9 |
| Apple Inc. | 54610 |
8 |
| Casio Computer Co., Ltd. | 3423 |
8 |
| Sony Corporation | 31107 |
7 |
| Kids II Hape Joint Venture Limited | 13 |
6 |
| Simply Ltd. | 15 |
6 |
| Yousician Oy | 38 |
5 |
| Circlesx LLC | 105 |
5 |
| International Business Machines Corporation | 61185 |
4 |
| Ubisoft Entertainment S.A. | 252 |
4 |
| Koninklijke Philips Electronics N.V. | 9805 |
4 |
| Breakthrough Performancetech, LLC | 34 |
4 |
| Harmonix Music Systems, Inc. | 112 |
4 |
| Smule, Inc. | 154 |
4 |
| VoiceLessons, Inc. | 6 |
4 |
| Artistworks, LLC | 7 |
4 |
| Other owners | 203 |