- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/10 - Condensers affording dark-field illumination
Patent holdings for IPC class G02B 21/10
Total number of patents in this class: 179
10-year publication summary
|
13
|
19
|
14
|
22
|
12
|
10
|
14
|
11
|
12
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leica Microsystems CMS GmbH | 1096 |
18 |
| Carl Zeiss Microscopy GmbH | 1223 |
13 |
| ASML Netherlands B.V. | 7493 |
10 |
| Evident Corporation | 1038 |
7 |
| Arizona Board of Regents on behalf of Arizona State University | 2683 |
5 |
| Hitachi High-Tech Corporation | 5411 |
5 |
| KLA-Tencor Corporation | 2543 |
4 |
| California Institute of Technology | 3985 |
3 |
| Hamamatsu Photonics K.K. | 4462 |
3 |
| Carl Zeiss MicroImaging GmbH | 123 |
3 |
| CytoViva, Inc. | 9 |
3 |
| Harbin Institute of Technology | 448 |
3 |
| Nanolive SA | 21 |
3 |
| Riken | 1690 |
3 |
| University Court of The University of ST Andrews | 318 |
3 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
2 |
| Olympus Corporation | 13123 |
2 |
| Massachusetts Institute of Technology | 10121 |
2 |
| ASML Holding N.V. | 500 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6494 |
2 |
| Other owners | 83 |