- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- 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: 278
10-year publication summary
|
33
|
43
|
46
|
35
|
18
|
30
|
36
|
24
|
27
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pearson Education, Inc. | 464 |
18 |
| International Business Machines Corporation | 61123 |
10 |
| Apple Inc. | 54527 |
9 |
| D2l Corporation | 180 |
8 |
| ZTE Corporation | 42052 |
7 |
| Microsoft Technology Licensing, LLC | 53545 |
7 |
| NEC Corporation | 35424 |
5 |
| Zoho Corporation Pvt. Ltd. | 210 |
4 |
| Omnissa, LLC | 1616 |
4 |
| Amazon Technologies, Inc. | 26519 |
3 |
| 8303142 Canada Inc. | 3 |
3 |
| Brain Chase Productions, LLC | 6 |
3 |
| Breakthrough Performancetech, LLC | 34 |
3 |
| DexCom, Inc. | 1647 |
3 |
| Edinvent Inc., DBA Accredible | 4 |
3 |
| Global Tel*Link Corporation | 426 |
3 |
| SMART Technologies ULC | 335 |
3 |
| Societe BIC | 1042 |
3 |
| Shenzhen Eaglesoul Technology Co., Ltd. | 101 |
3 |
| Tahoe Research, Ltd. | 1999 |
3 |
| Other owners | 173 |