- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 90/20 - Surgical microscopes characterised by non-optical aspects
Patent holdings for IPC class A61B 90/20
Total number of patents in this class: 644
10-year publication summary
|
33
|
52
|
86
|
76
|
53
|
70
|
66
|
57
|
65
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Meditec AG | 1629 |
69 |
| Alcon, Inc. | 5476 |
55 |
| Sony Corporation | 30929 |
46 |
| Leica Instruments (Singapore) Pte. Ltd. | 231 |
41 |
| Sony Olympus Medical Solutions Inc. | 375 |
40 |
| Synaptive Medical Inc. | 595 |
30 |
| Camplex, Inc. | 43 |
22 |
| Leica Microsystems CMS GmbH | 1099 |
16 |
| Brainlab AG | 932 |
14 |
| Sony Group Corporation | 14138 |
14 |
| B. Braun New Ventures GmbH | 58 |
12 |
| Medical Microinstruments, Inc. | 125 |
10 |
| AMO Development, LLC | 656 |
9 |
| Inscopix, Inc. | 33 |
8 |
| Zumax Medical Co., Ltd | 32 |
8 |
| Edwards Lifesciences Corporation | 4773 |
7 |
| Kabushiki Kaisha Topcon | 582 |
7 |
| Ankura Trust Company, LLC | 332 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6462 |
5 |
| Alcoa Inc. | 284 |
5 |
| Other owners | 220 |