- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/28 - Base structure with cooling device
Patent holdings for IPC class G02B 21/28
Total number of patents in this class: 101
10-year publication summary
|
10
|
14
|
12
|
11
|
10
|
6
|
4
|
6
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17812 |
14 |
| BRANDEIS University | 333 |
3 |
| Carl Zeiss Microscopy GmbH | 1214 |
3 |
| Leica Microsystems CMS GmbH | 1096 |
3 |
| Montana Instruments Corporation | 39 |
3 |
| Osaka University | 3385 |
3 |
| Centre National de La Recherche Scientifique | 10498 |
2 |
| Sumitomo Electric Industries, Ltd. | 15576 |
2 |
| Ricoh Company, Ltd. | 13292 |
2 |
| Nikon Corporation | 7206 |
2 |
| Hamamatsu Photonics K.K. | 4441 |
2 |
| Advanced Animal Diagnostics, Inc. | 38 |
2 |
| European Molecular Biology Laboratory | 316 |
2 |
| FEI Company | 947 |
2 |
| Largan Precision Co., Ltd. | 1543 |
2 |
| Leica Mikrosysteme GmbH | 63 |
2 |
| Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V. | 162 |
2 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1785 |
2 |
| Oxford University Innovation Limited | 1546 |
2 |
| Sumitomo Electric Device Innovations, Inc. | 448 |
2 |
| Other owners | 44 |