- 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: 6073
10-year publication summary
|
618
|
546
|
534
|
529
|
532
|
507
|
437
|
438
|
384
|
318
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcon, Inc. | 5861 |
451 |
| Essilor International (compagnie Generale D'optique) | 2994 |
199 |
| Topcon Corporation | 1185 |
180 |
| Carl Zeiss Meditec AG | 1683 |
169 |
| Canon Inc. | 43817 |
168 |
| Nidek Co., Ltd. | 340 |
112 |
| AMO Development, LLC | 634 |
110 |
| Carl Zeiss Meditec, Inc. | 272 |
98 |
| Welch Allyn, Inc. | 826 |
85 |
| Kabushiki Kaisha Topcon | 554 |
77 |
| Zenni Optical, Inc. | 101 |
71 |
| Optos plc | 224 |
69 |
| Carl Zeiss Vision International GmbH | 690 |
62 |
| Magic Leap, Inc. | 3394 |
59 |
| Verily Health Inc. | 649 |
53 |
| Nikon Corporation | 7228 |
50 |
| University of Miami | 854 |
48 |
| AMO Groningen B.V. | 315 |
39 |
| Johnson & Johnson Surgical Vision, Inc. | 940 |
36 |
| Tomey Corporation | 77 |
32 |
| Other owners | 3905 |