- 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: 93
10-year publication summary
|
5
|
10
|
14
|
12
|
12
|
10
|
6
|
4
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
14 |
| BRANDEIS University | 326 |
3 |
| Carl Zeiss Microscopy GmbH | 1146 |
3 |
| Leica Microsystems CMS GmbH | 1034 |
3 |
| Montana Instruments Corporation | 29 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Panasonic Corporation of North America | 298 |
2 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Nikon Corporation | 7162 |
2 |
| Advanced Animal Diagnostics, Inc. | 38 |
2 |
| European Molecular Biology Laboratory | 295 |
2 |
| FEI Company | 851 |
2 |
| Largan Precision Co., Ltd. | 1411 |
2 |
| Leica Mikrosysteme GmbH | 55 |
2 |
| Oxford University Innovation Limited | 1421 |
2 |
| Sumitomo Electric Device Innovations, Inc. | 405 |
2 |
| Maxell Holdings, Ltd. | 1422 |
2 |
| Maxell, Ltd. | 2533 |
2 |
| Chemometec A/S | 51 |
2 |
| Other owners | 37 |