- 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: 100
10-year publication summary
|
10
|
14
|
12
|
12
|
10
|
6
|
4
|
6
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17858 |
14 |
| BRANDEIS University | 334 |
3 |
| Carl Zeiss Microscopy GmbH | 1202 |
3 |
| Leica Microsystems CMS GmbH | 1082 |
3 |
| Montana Instruments Corporation | 37 |
3 |
| Osaka University | 3377 |
3 |
| Centre National de La Recherche Scientifique | 10408 |
2 |
| Sumitomo Electric Industries, Ltd. | 15414 |
2 |
| Ricoh Company, Ltd. | 13198 |
2 |
| Nikon Corporation | 7168 |
2 |
| Hamamatsu Photonics K.K. | 4403 |
2 |
| Advanced Animal Diagnostics, Inc. | 38 |
2 |
| European Molecular Biology Laboratory | 314 |
2 |
| FEI Company | 941 |
2 |
| Largan Precision Co., Ltd. | 1532 |
2 |
| Leica Mikrosysteme GmbH | 59 |
2 |
| Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V. | 157 |
2 |
| Oxford University Innovation Limited | 1509 |
2 |
| Sumitomo Electric Device Innovations, Inc. | 447 |
2 |
| Maxell Holdings, Ltd. | 1320 |
2 |
| Other owners | 43 |