- 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 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: 343
10-year publication summary
|
47
|
46
|
62
|
65
|
62
|
43
|
39
|
47
|
39
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nike, Inc. | 13075 |
13 |
| International Business Machines Corporation | 60644 |
9 |
| Lincoln Global, Inc. | 2180 |
7 |
| Koninklijke Philips N.V. | 22975 |
6 |
| Breakthrough Performancetech, LLC | 34 |
6 |
| Lockdown Experts, LLC | 25 |
6 |
| Booktrack Holdings Limited | 16 |
5 |
| Leo Paper Bags Manufacturing (1982) Limited | 20 |
5 |
| Heshan Astros Printing Ltd. | 6 |
5 |
| Ericsson | 20417 |
4 |
| Akili Interactive Labs, Inc. | 101 |
4 |
| Google LLC | 38759 |
4 |
| Jemella Limited | 61 |
4 |
| ZOLL Medical Corporation | 1291 |
4 |
| Gammakite, Inc. | 4 |
4 |
| Sony Corporation | 32931 |
3 |
| Bank of America Corporation | 6495 |
3 |
| Yamaha Corporation | 4054 |
3 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Other owners | 242 |