- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- 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: 284
10-year publication summary
|
43
|
65
|
43
|
53
|
43
|
41
|
23
|
35
|
29
|
8
|
| 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 |
| Enduvo, Inc. | 46 |
17 |
| Cognivue, Inc. | 41 |
11 |
| HMH Education Company | 234 |
8 |
| International Business Machines Corporation | 61228 |
7 |
| Breakthrough Performancetech, LLC | 34 |
6 |
| Casio Computer Co., Ltd. | 3431 |
5 |
| ProctorU Inc. | 17 |
5 |
| Vignet Inc. | 126 |
5 |
| Riiid Inc. | 87 |
5 |
| Solsten, Inc. | 39 |
5 |
| The Regents of the University of Michigan | 4698 |
4 |
| PlayNovation LLC | 9 |
4 |
| Plickers Inc. | 8 |
4 |
| Tata Consultancy Services Limited | 2337 |
4 |
| CONDUENT Business Services, LLC | 564 |
4 |
| OrangeDot, Inc. | 40 |
4 |
| NEC Corporation | 35652 |
3 |
| Microsoft Technology Licensing, LLC | 53720 |
3 |
| Nippon Telegraph and Telephone Corporation | 17341 |
3 |
| Other owners | 159 |