- 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: 3035
10-year publication summary
|
256
|
220
|
246
|
257
|
250
|
241
|
227
|
203
|
191
|
70
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topcon Corporation | 1162 |
150 |
| Canon Inc. | 42224 |
142 |
| Carl Zeiss Meditec AG | 1676 |
106 |
| Kabushiki Kaisha Topcon | 562 |
96 |
| Alcon, Inc. | 5688 |
91 |
| Welch Allyn, Inc. | 803 |
77 |
| Optos plc | 216 |
76 |
| Nikon Corporation | 7310 |
74 |
| Canon Kabushiki Kaisha | 7206 |
73 |
| Carl Zeiss Meditec, Inc. | 272 |
69 |
| Nidek Co., Ltd. | 341 |
60 |
| Magic Leap, Inc. | 3364 |
52 |
| Verily Life Sciences LLC | 1653 |
51 |
| The Regents of the University of California | 20506 |
22 |
| Duke University | 3164 |
21 |
| Oregon Health & Science University | 751 |
20 |
| Sony Corporation | 30440 |
19 |
| The Johns Hopkins University | 5813 |
18 |
| Tesseract Health, Inc. | 31 |
18 |
| Centervue S.p.A. | 31 |
17 |
| Other owners | 1783 |