- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/15 - Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection
Patent holdings for IPC class A61B 3/15
Total number of patents in this class: 729
10-year publication summary
|
55
|
57
|
78
|
53
|
59
|
46
|
55
|
71
|
38
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topcon Corporation | 1179 |
54 |
| Alcon, Inc. | 5816 |
42 |
| Carl Zeiss Meditec AG | 1685 |
36 |
| Canon Inc. | 43059 |
27 |
| Welch Allyn, Inc. | 822 |
27 |
| Carl Zeiss Meditec, Inc. | 272 |
25 |
| Verily Life Sciences LLC | 1514 |
22 |
| Kabushiki Kaisha Topcon | 555 |
21 |
| Nidek Co., Ltd. | 340 |
21 |
| Optos plc | 223 |
14 |
| University of Virginia Patent Foundation | 1637 |
13 |
| Scanoptix, Inc. | 13 |
11 |
| Notal Vision Ltd. | 29 |
10 |
| AMO Development, LLC | 634 |
9 |
| Canon Kabushiki Kaisha | 7292 |
9 |
| Icare Finland Oy | 104 |
8 |
| Digital Diagnostics Inc. | 89 |
8 |
| Nikon Corporation | 7240 |
7 |
| Centervue S.p.A. | 32 |
7 |
| Envision Diagnostics, Inc. | 14 |
7 |
| Other owners | 351 |