- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/08 - Condensers
Patent holdings for IPC class G02B 21/08
Total number of patents in this class: 681
10-year publication summary
|
94
|
74
|
61
|
58
|
50
|
54
|
43
|
30
|
36
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evident Corporation | 1022 |
54 |
| Carl Zeiss Microscopy GmbH | 1286 |
51 |
| Leica Microsystems CMS GmbH | 1137 |
27 |
| Nikon Corporation | 7229 |
20 |
| Carl Zeiss Meditec AG | 1688 |
13 |
| Hamamatsu Photonics K.K. | 4695 |
11 |
| Leica Microsystems (Schweiz) AG | 102 |
10 |
| Daylight Solutions, Inc. | 122 |
9 |
| Leica Instruments (Singapore) Pte. Ltd. | 260 |
9 |
| Labrador Diagnostics LLC | 268 |
8 |
| Centre National de La Recherche Scientifique | 11077 |
7 |
| Illumina, Inc. | 3532 |
7 |
| Discover Echo Inc. | 8 |
7 |
| The Regents of the University of California | 20842 |
6 |
| KEYENCE Corporation | 526 |
6 |
| Trustees of Boston University | 993 |
6 |
| California Institute of Technology | 4037 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
5 |
| Shimadzu Corporation | 6370 |
5 |
| KLA-Tencor Corporation | 2517 |
5 |
| Other owners | 410 |