- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/08 - Kaleidoscopes
Patent holdings for IPC class G02B 27/08
Total number of patents in this class: 42
10-year publication summary
|
4
|
7
|
1
|
5
|
2
|
4
|
2
|
3
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| K|Lens GmbH | 12 |
5 |
| LG Innotek Co., Ltd. | 6758 |
4 |
| Chien, Aaron | 109 |
3 |
| Chien, Te-ju | 109 |
3 |
| Wang, Hsin-yi | 109 |
3 |
| Disney Enterprises, Inc. | 6012 |
2 |
| Sony Corporation | 32931 |
2 |
| All Plastic Inc. | 80 |
2 |
| TDK Corporation | 6306 |
1 |
| The General Hospital Corporation | 4517 |
1 |
| Korea Advanced Institute of Science and Technology | 3906 |
1 |
| Boe Technology Group Co., Ltd. | 35384 |
1 |
| Alcon, Inc. | 4899 |
1 |
| CoActive Drive Corporation | 8 |
1 |
| Entire Technology Co., Ltd. | 35 |
1 |
| Gemmy Industries Corporation | 63 |
1 |
| Lumenco, LLC | 42 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
1 |
| QinetiQ Limited | 621 |
1 |
| Quantum Medical Technology, Inc. | 1 |
1 |
| Other owners | 6 |