- 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: 684
10-year publication summary
|
80
|
55
|
57
|
78
|
53
|
59
|
46
|
55
|
66
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topcon Corporation | 1055 |
44 |
| Carl Zeiss Meditec AG | 1608 |
36 |
| Alcon, Inc. | 5392 |
32 |
| Canon Inc. | 39365 |
27 |
| Welch Allyn, Inc. | 781 |
27 |
| Carl Zeiss Meditec, Inc. | 285 |
25 |
| Kabushiki Kaisha Topcon | 590 |
21 |
| Nidek Co., Ltd. | 340 |
20 |
| Verily Life Sciences LLC | 1536 |
20 |
| University of Virginia Patent Foundation | 1562 |
13 |
| Optos plc | 201 |
11 |
| Scanoptix, Inc. | 13 |
11 |
| Notal Vision Ltd. | 27 |
10 |
| AMO Development, LLC | 653 |
9 |
| Canon Kabushiki Kaisha | 7041 |
9 |
| Icare Finland Oy | 94 |
8 |
| Digital Diagnostics Inc. | 73 |
8 |
| Nikon Corporation | 7155 |
7 |
| Ohio State Innovation Foundation | 2098 |
7 |
| Adom, Advanced Optical Technologies Ltd. | 17 |
6 |
| Other owners | 333 |