- 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 23/04 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for mathematics for geometry, trigonometry, projection, or perspective
Patent holdings for IPC class G09B 23/04
Total number of patents in this class: 44
10-year publication summary
|
11
|
12
|
3
|
8
|
10
|
6
|
7
|
6
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pascal Co., Ltd. | 8 |
6 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| National Taiwan Normal University | 124 |
3 |
| Distance EDU Learning, Inc. | 6 |
2 |
| Museum of Mathematics | 4 |
2 |
| Shannon Driskell | 2 |
2 |
| Shape Matrix Geometric Instruments, LLC | 10 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Artec Co., Ltd. | 13 |
1 |
| Concurrent Technologies Corporation | 50 |
1 |
| EDX Education Co., Ltd. | 16 |
1 |
| Forcelink B.V. | 2 |
1 |
| Global on Puzzles Pty Ltd | 3 |
1 |
| Guangzhou Shirui Electronics Co., Ltd. | 651 |
1 |
| Guangzhou Shiyuan Electronics Co., Ltd. | 898 |
1 |
| Hexagon Technology Center GmbH | 549 |
1 |
| Kyoto University | 2732 |
1 |
| Mind Research Institute | 5 |
1 |
| T. Dashon Howard | 13 |
1 |
| Other owners | 11 |