- 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: 950
10-year publication summary
|
64
|
75
|
107
|
100
|
81
|
107
|
94
|
75
|
69
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Microscopy GmbH | 1146 |
39 |
| Leica Microsystems CMS GmbH | 1034 |
39 |
| Ventana Medical Systems, Inc. | 972 |
38 |
| Leica Biosystems Imaging, Inc. | 237 |
24 |
| Sony Corporation | 32931 |
16 |
| F. Hoffmann-La Roche AG | 7958 |
11 |
| FUJIFILM Corporation | 27102 |
11 |
| Hamamatsu Photonics K.K. | 4161 |
11 |
| RareCyte, Inc. | 154 |
11 |
| Sakura Finetek Japan Co., Ltd. | 85 |
11 |
| Alentic MicroScience Inc. | 78 |
10 |
| Huron Technologies International Inc. | 67 |
10 |
| SamanTree Medical SA | 27 |
10 |
| Koninklijke Philips N.V. | 22975 |
9 |
| La Trobe University | 65 |
9 |
| Evident Corporation | 1072 |
9 |
| Essenlix Corporation, DBA Essenlix Corporation | 266 |
8 |
| EUROIMMUN Medizinische Labordiagnostika AG | 215 |
8 |
| Riken | 1669 |
8 |
| Sakura Seiki Co., Ltd. | 71 |
8 |
| Other owners | 650 |