- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 5/04 - Electrically-operated educational appliances with audible presentation of the material to be studied
Patent holdings for IPC class G09B 5/04
Total number of patents in this class: 382
10-year publication summary
|
46
|
62
|
64
|
62
|
42
|
39
|
47
|
41
|
40
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nike, Inc. | 14273 |
14 |
| International Business Machines Corporation | 61471 |
9 |
| Koninklijke Philips N.V. | 24865 |
8 |
| Lockdown Experts, LLC | 26 |
8 |
| Lincoln Global, Inc. | 2150 |
7 |
| Breakthrough Performancetech, LLC | 34 |
6 |
| Booktrack Holdings Limited | 16 |
5 |
| Jemella Limited | 72 |
5 |
| Leo Paper Bags Manufacturing (1982) Limited | 21 |
5 |
| ZOLL Medical Corporation | 1534 |
5 |
| Heshan Astros Printing Ltd. | 6 |
5 |
| Ericsson | 21902 |
4 |
| Akili Interactive Labs, Inc. | 100 |
4 |
| Google LLC | 42564 |
4 |
| NEX Team Inc. | 53 |
4 |
| Kibeam Learning, Inc. | 29 |
4 |
| Clover.ai, LLC | 7 |
4 |
| Sony Corporation | 30929 |
3 |
| Bank of America Corporation | 7671 |
3 |
| Yamaha Corporation | 4082 |
3 |
| Other owners | 272 |