- 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: 2283
10-year publication summary
|
180
|
193
|
209
|
193
|
189
|
171
|
132
|
154
|
134
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Microscopy GmbH | 1275 |
126 |
| Nikon Corporation | 7232 |
124 |
| Evident Corporation | 1026 |
108 |
| Leica Microsystems CMS GmbH | 1141 |
94 |
| Hamamatsu Photonics K.K. | 4700 |
82 |
| Olympus Corporation | 12932 |
62 |
| Carl Zeiss Meditec AG | 1685 |
37 |
| Illumina, Inc. | 3514 |
37 |
| The Regents of the University of California | 20790 |
35 |
| Sony Corporation | 30139 |
29 |
| California Institute of Technology | 4039 |
23 |
| Sony Group Corporation | 15745 |
22 |
| Howard Hughes Medical Institute | 231 |
19 |
| Centre National de La Recherche Scientifique | 11042 |
16 |
| Leica Instruments (Singapore) Pte. Ltd. | 260 |
16 |
| Shimadzu Corporation | 6354 |
15 |
| Carl Zeiss MicroImaging GmbH | 103 |
14 |
| The Board of Trustees of the Leland Stanford Junior University | 6668 |
12 |
| Academia Sinica | 959 |
12 |
| KEYENCE Corporation | 520 |
12 |
| Other owners | 1388 |