- 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 7/06 - 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
Patent holdings for IPC class G09B 7/06
Total number of patents in this class: 264
10-year publication summary
|
25
|
43
|
65
|
43
|
53
|
42
|
41
|
22
|
29
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pearson Education, Inc. | 453 |
18 |
| Cognivue, Inc. | 42 |
11 |
| Enduvo, Inc. | 38 |
11 |
| International Business Machines Corporation | 60644 |
8 |
| Houghton Mifflin Harcourt Publishing Company | 298 |
8 |
| Breakthrough Performancetech, LLC | 34 |
6 |
| Vignet Inc. | 110 |
5 |
| Riiid Inc. | 84 |
5 |
| Plickers Inc. | 8 |
4 |
| Tata Consultancy Services Limited | 2066 |
4 |
| CONDUENT Business Services, LLC | 686 |
4 |
| Solsten, Inc. | 36 |
4 |
| OrangeDot, Inc. | 33 |
4 |
| NEC Corporation | 32703 |
3 |
| Casio Computer Co., Ltd. | 3343 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| The Regents of the University of Michigan | 4409 |
3 |
| Duolingo, Inc. | 38 |
3 |
| Fluidity Software, Inc. | 5 |
3 |
| Google LLC | 38759 |
3 |
| Other owners | 151 |