- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/34 - Microscope slides, e.g. mounting specimens on microscope slides
Patent holdings for IPC class G02B 21/34
Total number of patents in this class: 1061
10-year publication summary
|
73
|
100
|
95
|
78
|
104
|
91
|
79
|
75
|
59
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ventana Medical Systems, Inc. | 1038 |
41 |
| Leica Microsystems CMS GmbH | 1095 |
40 |
| Carl Zeiss Microscopy GmbH | 1222 |
39 |
| Leica Biosystems Imaging, Inc. | 262 |
24 |
| FUJIFILM Corporation | 29702 |
17 |
| Sony Corporation | 30910 |
15 |
| F. Hoffmann-La Roche AG | 7947 |
11 |
| Alentic MicroScience Inc. | 81 |
11 |
| RareCyte, Inc. | 154 |
11 |
| SamanTree Medical SA | 29 |
11 |
| Hamamatsu Photonics K.K. | 4461 |
10 |
| Huron Technologies International Inc. | 70 |
10 |
| Sakura Finetek Japan Co., Ltd. | 89 |
10 |
| Centre National de La Recherche Scientifique | 10576 |
9 |
| Koninklijke Philips N.V. | 24932 |
9 |
| Life Technologies Corporation | 3323 |
9 |
| 10X Genomics, Inc. | 1257 |
9 |
| Essenlix Corporation, DBA Essenlix Corporation | 292 |
9 |
| La Trobe University | 67 |
9 |
| Zomedica Inc. | 136 |
9 |
| Other owners | 748 |