- 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: 5955
10-year publication summary
|
600
|
523
|
508
|
501
|
507
|
475
|
419
|
419
|
371
|
195
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcon, Inc. | 5688 |
415 |
| Essilor International (compagnie Generale D'optique) | 2968 |
198 |
| Topcon Corporation | 1162 |
176 |
| Canon Inc. | 42224 |
167 |
| Carl Zeiss Meditec AG | 1676 |
165 |
| Nidek Co., Ltd. | 341 |
112 |
| AMO Development, LLC | 631 |
110 |
| Carl Zeiss Meditec, Inc. | 272 |
98 |
| Welch Allyn, Inc. | 803 |
79 |
| Kabushiki Kaisha Topcon | 562 |
77 |
| Verily Life Sciences LLC | 1653 |
74 |
| Zenni Optical, Inc. | 100 |
71 |
| Optos plc | 216 |
69 |
| Carl Zeiss Vision International GmbH | 676 |
62 |
| Magic Leap, Inc. | 3364 |
59 |
| Nikon Corporation | 7310 |
49 |
| University of Miami | 860 |
47 |
| AMO Groningen B.V. | 307 |
37 |
| Johnson & Johnson Surgical Vision, Inc. | 936 |
35 |
| Sony Corporation | 30440 |
32 |
| Other owners | 3823 |