- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/18 - Arrangements with more than one light-path, e.g. for comparing two specimens
Patent holdings for IPC class G02B 21/18
Total number of patents in this class: 359
10-year publication summary
|
29
|
32
|
30
|
47
|
28
|
41
|
22
|
37
|
27
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leica Microsystems CMS GmbH | 1034 |
24 |
| Carl Zeiss Microscopy GmbH | 1146 |
17 |
| Hamamatsu Photonics K.K. | 4161 |
16 |
| Sony Corporation | 32931 |
12 |
| Illumina, Inc. | 2771 |
11 |
| Leica Instruments (Singapore) Pte. Ltd. | 185 |
10 |
| Inscopix, Inc. | 29 |
8 |
| Olympus Corporation | 13667 |
7 |
| Rebus Biosystems, Inc. | 18 |
7 |
| Evident Corporation | 1072 |
7 |
| Nikon Corporation | 7162 |
6 |
| Nanotronics Imaging, Inc. | 189 |
6 |
| The Regents of the University of California | 18943 |
5 |
| Purdue Research Foundation | 3277 |
4 |
| FEI Company | 851 |
4 |
| Lltech Management | 13 |
4 |
| Sanyo Electric Co., Ltd. | 3926 |
3 |
| Carl Zeiss Meditec AG | 1541 |
3 |
| European Molecular Biology Laboratory | 295 |
3 |
| Intelligent Imaging Innovations, Inc. | 21 |
3 |
| Other owners | 199 |