- 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 5/08 - Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
Patent holdings for IPC class G09B 5/08
Total number of patents in this class: 267
10-year publication summary
|
40
|
33
|
43
|
46
|
35
|
18
|
29
|
35
|
23
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pearson Education, Inc. | 453 |
16 |
| International Business Machines Corporation | 60644 |
10 |
| Apple Inc. | 50209 |
9 |
| D2l Corporation | 163 |
8 |
| ZTE Corporation | 39218 |
7 |
| Microsoft Technology Licensing, LLC | 51439 |
7 |
| Steelcase Inc. | 1361 |
6 |
| NEC Corporation | 32703 |
5 |
| Zoho Corporation Pvt. Ltd. | 167 |
4 |
| AirWatch LLC | 472 |
4 |
| Amazon Technologies, Inc. | 24422 |
3 |
| 8303142 Canada Inc. | 3 |
3 |
| Breakthrough Performancetech, LLC | 34 |
3 |
| Edinvent Inc., DBA Accredible | 4 |
3 |
| Global Tel*Link Corporation | 431 |
3 |
| SMART Technologies ULC | 355 |
3 |
| Societe BIC | 1064 |
3 |
| Shenzhen Eaglesoul Technology Co., Ltd. | 100 |
3 |
| Tahoe Research, Ltd. | 2146 |
3 |
| Sony Corporation | 32931 |
2 |
| Other owners | 162 |