- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
Patent holdings for IPC class A61B 3/12
Total number of patents in this class: 2899
10-year publication summary
|
272
|
256
|
220
|
246
|
256
|
249
|
236
|
222
|
202
|
133
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40398 |
140 |
| Topcon Corporation | 1092 |
133 |
| Carl Zeiss Meditec AG | 1629 |
104 |
| Kabushiki Kaisha Topcon | 582 |
96 |
| Alcon, Inc. | 5476 |
85 |
| Optos plc | 211 |
74 |
| Welch Allyn, Inc. | 788 |
73 |
| Canon Kabushiki Kaisha | 7081 |
73 |
| Carl Zeiss Meditec, Inc. | 281 |
68 |
| Nikon Corporation | 7265 |
64 |
| Nidek Co., Ltd. | 342 |
60 |
| Magic Leap, Inc. | 3291 |
52 |
| Verily Life Sciences LLC | 1593 |
44 |
| The Regents of the University of California | 20087 |
22 |
| Duke University | 3087 |
21 |
| Oregon Health & Science University | 762 |
20 |
| Sony Corporation | 30929 |
19 |
| Tesseract Health, Inc. | 32 |
18 |
| The Johns Hopkins University | 5714 |
17 |
| Centervue S.p.A. | 23 |
17 |
| Other owners | 1699 |