- 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: 164
10-year publication summary
|
7
|
14
|
19
|
14
|
22
|
12
|
11
|
14
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leica Microsystems CMS GmbH | 1034 |
18 |
| Carl Zeiss Microscopy GmbH | 1146 |
13 |
| ASML Netherlands B.V. | 6816 |
7 |
| Evident Corporation | 1072 |
7 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
5 |
| KLA-Tencor Corporation | 2574 |
4 |
| Hitachi High-Tech Corporation | 4424 |
4 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Carl Zeiss MicroImaging GmbH | 153 |
3 |
| CytoViva, Inc. | 7 |
3 |
| Nanolive SA | 19 |
3 |
| Riken | 1669 |
3 |
| University Court of The University of ST Andrews | 305 |
3 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
2 |
| Olympus Corporation | 13667 |
2 |
| Massachusetts Institute of Technology | 9795 |
2 |
| Corning Incorporated | 9932 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
2 |
| Tsinghua University | 5426 |
2 |
| CooperSurgical, Inc. | 376 |
2 |
| Other owners | 74 |