- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/12 - Condensers affording bright-field illumination
Patent holdings for IPC class G02B 21/12
Total number of patents in this class: 203
10-year publication summary
|
22
|
17
|
16
|
15
|
23
|
10
|
16
|
19
|
14
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evident Corporation | 1043 |
12 |
| Nanotronics Imaging, Inc. | 194 |
11 |
| Leica Microsystems CMS GmbH | 1143 |
10 |
| Nikon Corporation | 7235 |
9 |
| Labrador Diagnostics LLC | 268 |
8 |
| Carl Zeiss Microscopy GmbH | 1271 |
7 |
| KLA-Tencor Corporation | 2518 |
5 |
| The Regents of the University of California | 20720 |
3 |
| Koninklijke Philips N.V. | 25832 |
3 |
| Carl Zeiss Meditec AG | 1681 |
3 |
| Huron Technologies International Inc. | 67 |
3 |
| IDEXX Laboratories, Inc. | 907 |
3 |
| KEYENCE Corporation | 519 |
3 |
| Leica Microsystems (Schweiz) AG | 102 |
3 |
| Scopio Labs Ltd. | 51 |
3 |
| Standard BioTools Inc. | 53 |
3 |
| Curiosis Inc. | 25 |
3 |
| Sony Corporation | 30208 |
2 |
| Applied Materials Israel, Ltd. | 675 |
2 |
| Olympus Corporation | 12942 |
2 |
| Other owners | 105 |