Patent holdings for IPC class G09B 1/40

Total number of patents in this class: 12

10-year publication summary

0
3
1
4
1
1
2
1
2
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Artec Co., Ltd.
12
1
Denton County Electric Cooperative, Inc.
4
1
Global Learning Innovations Oy
2
1
Midlab, Inc.
51
1
Quanta Associates, L.P.
432
1
Biggle Toys Holding B.V.
1
1
Chongqing Hanzihui Educational Technology Institute Co., Ltd.
3
1
Apeiron Co., Ltd.
1
1
Ideasketch Inc.
1
1
Pledo Co.,Ltd.
1
1
Tusi, LLC
6
1
Ksquwave Inc.
2
1
Other owners 0