- All sections
- A - Human necessities
- A61B - Diagnosis; surgery; identification
- 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: 560
10-year publication summary
|
25
|
43
|
61
|
92
|
81
|
56
|
72
|
65
|
59
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Meditec AG | 1541 |
58 |
| Sony Corporation | 32931 |
46 |
| Alcon, Inc. | 4899 |
42 |
| Sony Olympus Medical Solutions Inc. | 347 |
40 |
| Synaptive Medical Inc. | 619 |
31 |
| Leica Instruments (Singapore) Pte. Ltd. | 185 |
30 |
| Camplex, Inc. | 41 |
20 |
| Brainlab AG | 988 |
14 |
| Leica Microsystems CMS GmbH | 1034 |
10 |
| Sony Group Corporation | 10730 |
10 |
| Medical Microinstruments, Inc. | 94 |
10 |
| AMO Development, LLC | 691 |
8 |
| Kabushiki Kaisha Topcon | 614 |
7 |
| Inscopix, Inc. | 29 |
6 |
| Zumax Medical Co., Ltd | 26 |
6 |
| Ankura Trust Company, LLC | 17 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
5 |
| Alcoa Inc. | 323 |
5 |
| Edwards Lifesciences Corporation | 4141 |
5 |
| B. Braun New Ventures GmbH | 24 |
5 |
| Other owners | 196 |