- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/14 - Condensers affording illumination for phase-contrast observation
Patent holdings for IPC class G02B 21/14
Total number of patents in this class: 414
10-year publication summary
|
39
|
38
|
40
|
42
|
40
|
33
|
25
|
22
|
14
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Microscopy GmbH | 1201 |
34 |
| Evident Corporation | 1026 |
24 |
| Nikon Corporation | 7152 |
22 |
| FUJIFILM Corporation | 29172 |
17 |
| Hamamatsu Photonics K.K. | 4378 |
13 |
| Leica Microsystems CMS GmbH | 1078 |
12 |
| Sony Corporation | 31183 |
9 |
| The Regents of the University of California | 19780 |
8 |
| Illumina, Inc. | 3254 |
8 |
| Lltech Management | 13 |
6 |
| Nanolive SA | 20 |
6 |
| Oxford University Innovation Limited | 1494 |
6 |
| Centre National de La Recherche Scientifique | 10266 |
5 |
| Danmarks Tekniske Universitet | 957 |
4 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3112 |
4 |
| The University of Tokyo | 4129 |
4 |
| Nanjing University of Science and Technology | 158 |
4 |
| Refeyn Ltd | 30 |
4 |
| General Electric Company | 17062 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41903 |
3 |
| Other owners | 218 |