- 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 7/04 - Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by the student characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying a further explanation
Patent holdings for IPC class G09B 7/04
Total number of patents in this class: 337
10-year publication summary
|
30
|
31
|
49
|
64
|
47
|
40
|
53
|
39
|
39
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
29 |
| Pearson Education, Inc. | 453 |
27 |
| Enduvo, Inc. | 38 |
13 |
| Young, Eric Wallace | 12 |
12 |
| Breakthrough Performancetech, LLC | 34 |
10 |
| Casio Computer Co., Ltd. | 3343 |
9 |
| University of Central Florida Research Foundation, Inc. | 1098 |
5 |
| Riiid Inc. | 84 |
5 |
| Learning System of The Future, Inc. | 8 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Fujitsu Limited | 19265 |
4 |
| Koninklijke Philips N.V. | 22975 |
4 |
| Fluidity Software, Inc. | 5 |
3 |
| Voxy, Inc., DBA Voxy, Inc. | 16 |
3 |
| Worcester Polytechnic Institute | 438 |
3 |
| Cureapp, Inc. | 40 |
3 |
| The Learning Corp. | 5 |
3 |
| Obrizum Group Ltd. | 7 |
3 |
| Sony Corporation | 32931 |
2 |
| Xerox Corporation | 7503 |
2 |
| Other owners | 188 |