- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
Patent holdings for IPC class A61B 3/00
Total number of patents in this class: 5702
10-year publication summary
|
562
|
600
|
523
|
508
|
501
|
505
|
475
|
407
|
416
|
287
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcon, Inc. | 5464 |
377 |
| Essilor International (compagnie Generale D'optique) | 2991 |
200 |
| Canon Inc. | 40352 |
166 |
| Carl Zeiss Meditec AG | 1628 |
163 |
| Topcon Corporation | 1092 |
159 |
| Nidek Co., Ltd. | 342 |
112 |
| AMO Development, LLC | 656 |
110 |
| Carl Zeiss Meditec, Inc. | 281 |
98 |
| Kabushiki Kaisha Topcon | 582 |
77 |
| Welch Allyn, Inc. | 785 |
75 |
| Verily Life Sciences LLC | 1587 |
69 |
| Optos plc | 208 |
67 |
| Carl Zeiss Vision International GmbH | 636 |
61 |
| Magic Leap, Inc. | 3292 |
59 |
| University of Miami | 842 |
46 |
| Nikon Corporation | 7213 |
43 |
| AMO Groningen B.V. | 306 |
34 |
| Johnson & Johnson Surgical Vision, Inc. | 947 |
33 |
| Sony Corporation | 30936 |
32 |
| Tomey Corporation | 73 |
31 |
| Other owners | 3690 |