- 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: 3090
10-year publication summary
|
264
|
229
|
258
|
270
|
259
|
252
|
241
|
218
|
197
|
134
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topcon Corporation | 1206 |
154 |
| Canon Inc. | 44134 |
143 |
| Carl Zeiss Meditec AG | 1688 |
105 |
| Alcon, Inc. | 5910 |
102 |
| Kabushiki Kaisha Topcon | 552 |
95 |
| Welch Allyn, Inc. | 827 |
79 |
| Nikon Corporation | 7229 |
75 |
| Optos plc | 223 |
75 |
| Canon Kabushiki Kaisha | 7369 |
73 |
| Carl Zeiss Meditec, Inc. | 268 |
69 |
| Nidek Co., Ltd. | 338 |
61 |
| Magic Leap, Inc. | 3411 |
53 |
| Verily Health Inc. | 760 |
38 |
| The Regents of the University of California | 20842 |
23 |
| Duke University | 3186 |
21 |
| Oregon Health & Science University | 756 |
21 |
| The Johns Hopkins University | 5922 |
19 |
| Verily Life Sciences LLC | 940 |
19 |
| Sony Corporation | 30097 |
18 |
| Tesseract Health, Inc. | 31 |
18 |
| Other owners | 1829 |