Patent holdings for IPC class G09B 5/12

Total number of patents in this class: 422

10-year publication summary

66
90
103
76
79
65
54
45
31
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
International Business Machines Corporation
61207
35
Enduvo, Inc.
46
15
Pearson Education, Inc.
464
10
Circadence Corporation
36
9
SpoonRead Inc.
12
8
Nike, Inc.
14104
7
Study Edge, Inc.
19
7
Microsoft Technology Licensing, LLC
53649
6
Architecture Technology Corporation
278
6
HealthStream, Inc.
112
6
Tynker Holdings, LLC
10
6
CAE Inc.
248
5
State Farm Mutual Automobile Insurance Company
3094
5
University of Central Florida Research Foundation, Inc.
1175
5
Learning System of The Future, Inc.
8
5
Pencil Learning Technologies, Inc.
15
5
Young, Eric Wallace
12
5
Fujitsu Limited
18343
4
Casio Computer Co., Ltd.
3423
4
Accenture Global Solutions Limited
2297
4
Other owners 265