- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/06 - Means for illuminating specimen
Patent holdings for IPC class G02B 21/06
Total number of patents in this class: 2241
10-year publication summary
|
177
|
184
|
201
|
188
|
181
|
168
|
127
|
146
|
129
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nikon Corporation | 7266 |
125 |
| Carl Zeiss Microscopy GmbH | 1242 |
125 |
| Evident Corporation | 1039 |
106 |
| Leica Microsystems CMS GmbH | 1117 |
92 |
| Hamamatsu Photonics K.K. | 4571 |
80 |
| Olympus Corporation | 13058 |
64 |
| Illumina, Inc. | 3418 |
39 |
| Carl Zeiss Meditec AG | 1663 |
38 |
| The Regents of the University of California | 20410 |
36 |
| Sony Corporation | 30578 |
29 |
| California Institute of Technology | 4015 |
22 |
| Sony Group Corporation | 14939 |
22 |
| Howard Hughes Medical Institute | 231 |
19 |
| Leica Instruments (Singapore) Pte. Ltd. | 242 |
17 |
| Centre National de La Recherche Scientifique | 10812 |
16 |
| Carl Zeiss MicroImaging GmbH | 121 |
14 |
| Shimadzu Corporation | 6276 |
13 |
| The Board of Trustees of the Leland Stanford Junior University | 6589 |
12 |
| Academia Sinica | 950 |
12 |
| KEYENCE Corporation | 490 |
12 |
| Other owners | 1348 |