- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
Patent holdings for IPC class A61B 3/036
Total number of patents in this class: 143
10-year publication summary
|
20
|
17
|
9
|
13
|
24
|
8
|
14
|
15
|
17
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 2991 |
24 |
| Light Field Lab, Inc. | 183 |
11 |
| Visibly, Inc. | 21 |
11 |
| Nidek Co., Ltd. | 342 |
8 |
| Rodenstock GmbH | 385 |
6 |
| EyeQue Inc. | 36 |
5 |
| 6 Over 6 Vision Ltd | 36 |
4 |
| Carl Zeiss Vision International GmbH | 636 |
4 |
| Johnson & Johnson Vision Care, Inc. | 1183 |
3 |
| VeyeZER LLC | 12 |
3 |
| Johnson & Johnson Surgical Vision, Inc. | 945 |
3 |
| Apple Inc. | 55446 |
2 |
| Genentech, Inc. | 4001 |
2 |
| Bar-Ilan University | 429 |
2 |
| Clarity Medical Systems, Inc. | 16 |
2 |
| QD Laser, Inc. | 102 |
2 |
| Accuvisiondesigns LLC | 4 |
2 |
| VirtuOptica Ltd. | 5 |
2 |
| Easee Health B.V. | 10 |
2 |
| Nidek.co.,ltd | 180 |
2 |
| Other owners | 43 |