- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
Patent holdings for IPC class A61B 3/103
Total number of patents in this class: 861
10-year publication summary
|
103
|
52
|
75
|
76
|
63
|
90
|
71
|
52
|
50
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 3000 |
62 |
| Alcon, Inc. | 5930 |
55 |
| Topcon Corporation | 1214 |
53 |
| Magic Leap, Inc. | 3426 |
44 |
| Carl Zeiss Vision International GmbH | 703 |
42 |
| AMO Development, LLC | 629 |
41 |
| Carl Zeiss Meditec AG | 1687 |
37 |
| Welch Allyn, Inc. | 830 |
16 |
| Nidek Co., Ltd. | 335 |
15 |
| Ohio State Innovation Foundation | 2419 |
15 |
| Nidek.co.,ltd | 188 |
13 |
| EyeQue Inc. | 35 |
12 |
| AMO Groningen B.V. | 318 |
11 |
| Carl Zeiss AG | 920 |
10 |
| Clarity Medical Systems, Inc. | 15 |
10 |
| Rodenstock GmbH | 400 |
10 |
| Kabushiki Kaisha Topcon | 548 |
9 |
| AMO Wavefront Sciences, LLC | 36 |
8 |
| Visibly, Inc. | 20 |
8 |
| Johnson & Johnson Vision Care, Inc. | 1154 |
7 |
| Other owners | 383 |