- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 7/077 - 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 different stations being capable of presenting different questions simultaneously
Patent holdings for IPC class G09B 7/077
Total number of patents in this class: 58
10-year publication summary
|
11
|
19
|
8
|
9
|
7
|
6
|
4
|
7
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Central Florida Research Foundation, Inc. | 1247 |
5 |
| Knowledge Factor, Inc. | 12 |
4 |
| Caveon, LLC | 11 |
3 |
| Koninklijke Philips N.V. | 25808 |
2 |
| Amplify Education, Inc. | 35 |
2 |
| Intelligent Technologies International, Inc. | 29 |
2 |
| Pearson Education, Inc. | 474 |
2 |
| The Toronto-Dominion Bank | 3169 |
2 |
| Thinkster Learning, Inc. | 2 |
2 |
| Growth X Inc. | 2 |
2 |
| Sony Corporation | 30236 |
1 |
| Fujitsu Limited | 16871 |
1 |
| citizen Holdings Co., Ltd. | 270 |
1 |
| Coursera, Inc. | 41 |
1 |
| Global Vocabulary, LLC | 3 |
1 |
| Graduate Management Admission Council | 46 |
1 |
| Indiavidual Learning Private Limited, DBA Embibe.com | 6 |
1 |
| Proofpoint, Inc. | 295 |
1 |
| RedCritter Corp | 35 |
1 |
| Surveymonkey Inc. | 37 |
1 |
| Other owners | 22 |