- 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 11/00 - Teaching hand-writing, shorthand, drawing, or painting
Patent holdings for IPC class G09B 11/00
Total number of patents in this class: 104
10-year publication summary
|
14
|
8
|
14
|
20
|
14
|
11
|
8
|
8
|
8
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
4 |
| Educational Testing Service | 259 |
4 |
| Mattel, Inc. | 3192 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Disney Enterprises, Inc. | 6012 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Accenture Global Services Limited | 1802 |
2 |
| ACCO Brands Corporation | 869 |
2 |
| Creative Technology Ltd | 610 |
2 |
| Humana Inc. | 269 |
2 |
| Pearson Education, Inc. | 453 |
2 |
| Pixart Imaging Inc. | 1581 |
2 |
| Shenzhen Royole Technologies Co., Ltd. | 1359 |
2 |
| Societe BIC | 1064 |
2 |
| SPRIX Co., Ltd. | 6 |
2 |
| Shub, Toni M. | 2 |
2 |
| Hush Buddy, LLC | 4 |
2 |
| McGraw Hill LLC | 252 |
2 |
| Orange Neurosciences Corporation | 5 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Other owners | 61 |