- 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 1/00 - Manually- or mechanically-operated educational appliances using elements forming or bearing symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
Patent holdings for IPC class G09B 1/00
Total number of patents in this class: 97
10-year publication summary
|
10
|
12
|
17
|
19
|
14
|
12
|
9
|
4
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuance Communications, Inc. | 450 |
2 |
| Dybuster AG | 5 |
2 |
| Harcourt Assessment, Inc. | 15 |
2 |
| No Tears Learning, Inc., DBA Handwriting Without Tears | 29 |
2 |
| Pacific Clay Products, Inc. | 3 |
2 |
| Cognivue, Inc. | 42 |
2 |
| Evolution Optiks Limited | 96 |
2 |
| Brickfit Pty Ltd | 3 |
2 |
| Apodeixis, LLC | 8 |
2 |
| Apple Inc. | 50209 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Casio Computer Co., Ltd. | 3343 |
1 |
| Cadence Design Systems, Inc. | 1788 |
1 |
| The Johns Hopkins University | 5377 |
1 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| Agency for Science, Technology and Research | 3512 |
1 |
| Abastecedora Rimova S.A. de C.V. | 1 |
1 |
| Arcelik A.S. | 3617 |
1 |
| Barry Katz | 2 |
1 |
| Crisalix SA | 8 |
1 |
| Other owners | 68 |