- All sections
- A - Human necessities
- A61B - Diagnosis; surgery; identification
- A61B 3/00 - Apparatus for testing the eyes; Instruments for examining the eyes
Patent holdings for IPC class A61B 3/00
Total number of patents in this class: 5269
10-year publication summary
|
429
|
580
|
618
|
546
|
533
|
527
|
519
|
494
|
412
|
154
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcon, Inc. | 4899 |
318 |
| Essilor International (compagnie Generale D'optique) | 2918 |
194 |
| Canon Inc. | 36841 |
187 |
| Carl Zeiss Meditec AG | 1541 |
156 |
| Topcon Corporation | 979 |
141 |
| Nidek Co., Ltd. | 357 |
120 |
| AMO Development, LLC | 691 |
107 |
| Carl Zeiss Meditec, Inc. | 282 |
96 |
| Kabushiki Kaisha Topcon | 614 |
79 |
| Welch Allyn, Inc. | 788 |
77 |
| Optos plc | 193 |
59 |
| Magic Leap, Inc. | 3028 |
57 |
| Carl Zeiss Vision International GmbH | 556 |
55 |
| University of Miami | 823 |
41 |
| Verily Life Sciences LLC | 1226 |
37 |
| Nikon Corporation | 7162 |
33 |
| Johnson & Johnson Surgical Vision, Inc. | 968 |
33 |
| Sony Corporation | 32931 |
32 |
| AMO Groningen B.V. | 300 |
32 |
| Tomey Corporation | 65 |
29 |
| Other owners | 3386 |