- 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: 2202
10-year publication summary
|
145
|
177
|
184
|
201
|
188
|
180
|
167
|
125
|
145
|
102
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nikon Corporation | 7298 |
127 |
| Carl Zeiss Microscopy GmbH | 1222 |
123 |
| Evident Corporation | 1044 |
106 |
| Leica Microsystems CMS GmbH | 1095 |
92 |
| Hamamatsu Photonics K.K. | 4461 |
77 |
| Olympus Corporation | 13127 |
64 |
| Illumina, Inc. | 3383 |
41 |
| The Regents of the University of California | 20137 |
36 |
| Carl Zeiss Meditec AG | 1630 |
36 |
| Sony Corporation | 30910 |
29 |
| California Institute of Technology | 3986 |
22 |
| Sony Group Corporation | 14299 |
22 |
| Howard Hughes Medical Institute | 229 |
19 |
| Leica Instruments (Singapore) Pte. Ltd. | 232 |
17 |
| Centre National de La Recherche Scientifique | 10576 |
15 |
| Carl Zeiss MicroImaging GmbH | 124 |
14 |
| Shimadzu Corporation | 6195 |
13 |
| The Board of Trustees of the Leland Stanford Junior University | 6487 |
12 |
| KEYENCE Corporation | 454 |
12 |
| Academia Sinica | 947 |
11 |
| Other owners | 1314 |