- 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 7/07 - Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers providing for individual presentation of questions to a plurality of student stations
Patent holdings for IPC class G09B 7/07
Total number of patents in this class: 88
10-year publication summary
|
7
|
11
|
13
|
27
|
22
|
4
|
12
|
14
|
5
|
1
|
| 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 |
| Young, Eric Wallace | 12 |
5 |
| Kryterion, Inc. | 24 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
3 |
| Estia, Inc. | 16 |
3 |
| Houghton Mifflin Harcourt Publishing Company | 298 |
3 |
| Intelligent Technologies International, Inc. | 27 |
3 |
| National Taiwan Normal University | 124 |
3 |
| Knowledge AI Inc. | 5 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Fluidity Software, Inc. | 5 |
2 |
| Omada Health, Inc. | 18 |
2 |
| Pear Sports LLC | 10 |
2 |
| Digital Coaches LLC | 2 |
2 |
| Sony Corporation | 32931 |
1 |
| The Regents of the University of California | 18943 |
1 |
| NEC Corporation | 32703 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Fujitsu Limited | 19265 |
1 |
| Amazon Technologies, Inc. | 24422 |
1 |
| Other owners | 29 |