- 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: 1029
10-year publication summary
|
75
|
107
|
100
|
82
|
111
|
97
|
81
|
75
|
59
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Microscopy GmbH | 1200 |
40 |
| Leica Microsystems CMS GmbH | 1080 |
40 |
| Ventana Medical Systems, Inc. | 1019 |
39 |
| Leica Biosystems Imaging, Inc. | 253 |
24 |
| Sony Corporation | 31148 |
15 |
| FUJIFILM Corporation | 29228 |
14 |
| F. Hoffmann-La Roche AG | 7926 |
11 |
| RareCyte, Inc. | 156 |
11 |
| Sakura Finetek Japan Co., Ltd. | 87 |
11 |
| SamanTree Medical SA | 29 |
11 |
| Alentic MicroScience Inc. | 80 |
10 |
| Huron Technologies International Inc. | 68 |
10 |
| Centre National de La Recherche Scientifique | 10321 |
9 |
| Koninklijke Philips N.V. | 24557 |
9 |
| Life Technologies Corporation | 3270 |
9 |
| Hamamatsu Photonics K.K. | 4388 |
9 |
| Essenlix Corporation, DBA Essenlix Corporation | 280 |
9 |
| La Trobe University | 63 |
9 |
| EUROIMMUN Medizinische Labordiagnostika AG | 224 |
8 |
| Scopio Labs Ltd. | 50 |
8 |
| Other owners | 723 |