- 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 5/02 - Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Patent holdings for IPC class G09B 5/02
Total number of patents in this class: 1622
10-year publication summary
|
218
|
331
|
373
|
309
|
282
|
209
|
203
|
212
|
187
|
71
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
60 |
| Nike, Inc. | 13075 |
52 |
| Lincoln Global, Inc. | 2180 |
42 |
| Apple Inc. | 50209 |
27 |
| Microsoft Technology Licensing, LLC | 51439 |
25 |
| Illinois Tool Works Inc. | 11152 |
18 |
| Koninklijke Philips N.V. | 22975 |
17 |
| MBTE Holdings Sweden AB | 53 |
16 |
| Pearson Education, Inc. | 453 |
16 |
| Casio Computer Co., Ltd. | 3343 |
13 |
| KC Holdings I | 19 |
13 |
| Guangzhou Shirui Electronics Co., Ltd. | 651 |
12 |
| Guangzhou Shiyuan Electronics Co., Ltd. | 898 |
12 |
| Toyota Motor Corporation | 28582 |
11 |
| Voxy, Inc., DBA Voxy, Inc. | 16 |
10 |
| Sony Corporation | 32931 |
9 |
| University of Central Florida Research Foundation, Inc. | 1098 |
9 |
| LG Energy Solution, Ltd. | 10813 |
9 |
| Seiko Epson Corporation | 18724 |
8 |
| Chegg, Inc. | 106 |
8 |
| Other owners | 1235 |