- 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: 685
10-year publication summary
|
61
|
92
|
81
|
57
|
74
|
72
|
61
|
68
|
55
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Meditec AG | 1673 |
74 |
| Alcon, Inc. | 5710 |
66 |
| Sony Corporation | 30388 |
46 |
| Leica Instruments (Singapore) Pte. Ltd. | 251 |
43 |
| Sony Olympus Medical Solutions Inc. | 381 |
41 |
| Synaptive Medical Inc. | 553 |
32 |
| Camplex, Inc. | 44 |
23 |
| Leica Microsystems CMS GmbH | 1131 |
17 |
| Sony Group Corporation | 15204 |
16 |
| B. Braun New Ventures GmbH | 69 |
13 |
| Medical Microinstruments, Inc. | 142 |
10 |
| AMO Development, LLC | 634 |
9 |
| Bruker Nano, Inc. | 378 |
8 |
| Zumax Medical Co., Ltd | 32 |
8 |
| Edwards Lifesciences Corporation | 4804 |
7 |
| Kabushiki Kaisha Topcon | 562 |
7 |
| Brainlab SE | 470 |
7 |
| Brainlab AG | 597 |
6 |
| Ankura Trust Company, LLC | 318 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6592 |
5 |
| Other owners | 241 |