- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/135 - Slit-lamp microscopes
Patent holdings for IPC class A61B 3/135
Total number of patents in this class: 292
10-year publication summary
|
19
|
16
|
27
|
29
|
45
|
45
|
31
|
29
|
24
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topcon Corporation | 1185 |
65 |
| Haag-Streit AG | 89 |
18 |
| IRIDEX Corporation | 118 |
11 |
| Kabushiki Kaisha Topcon | 554 |
11 |
| Lightx Innovations Inc. | 16 |
10 |
| Carl Zeiss Meditec AG | 1683 |
9 |
| Chongqing Kanghua Ruiming Science Technology Co., Ltd | 9 |
9 |
| Sony Group Corporation | 15642 |
9 |
| Alcon, Inc. | 5861 |
8 |
| Intelligent Diagnostics, LLC | 11 |
7 |
| Kowa Company, Ltd. | 1235 |
5 |
| Shanghai Mediworks Precision Instruments Co., Ltd. | 18 |
4 |
| Takagi Seiko Co., Ltd. | 10 |
4 |
| Topcon Medical Laser Systems, Inc. | 9 |
4 |
| Eyoto Group Limited | 20 |
4 |
| The Regents of the University of California | 20745 |
3 |
| Magic Leap, Inc. | 3394 |
3 |
| University of Miami | 854 |
3 |
| Oui Inc. | 6 |
3 |
| Lumenis Be Ltd. | 211 |
3 |
| Other owners | 99 |