- All sections
- A - Human necessities
- A61B - Diagnosissurgeryidentification
- A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
Patent holdings for IPC class A61B 3/117
Total number of patents in this class: 502
10-year publication summary
|
46
|
47
|
45
|
43
|
37
|
53
|
32
|
40
|
43
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss Meditec AG | 1630 |
47 |
| Alcon, Inc. | 5493 |
41 |
| Topcon Corporation | 1103 |
36 |
| AMO Development, LLC | 658 |
20 |
| Tomey Corporation | 73 |
17 |
| Glaukos Corporation | 220 |
13 |
| Nidek Co., Ltd. | 342 |
11 |
| Doheny Eye Institute | 92 |
9 |
| Lensar, Inc. | 147 |
9 |
| Kabushiki Kaisha Topcon | 580 |
8 |
| Duke University | 3091 |
7 |
| Broadspot Imaging Corporation | 13 |
7 |
| Canon Inc. | 40555 |
6 |
| Fuji Xerox Co., Ltd. | 191 |
6 |
| Vialase, Inc. | 62 |
6 |
| Carl Zeiss Meditec, Inc. | 280 |
5 |
| Ocular Instruments, Inc. | 18 |
5 |
| Samsung Life Public Welfare Foundation | 690 |
5 |
| Nidek.co.,ltd | 182 |
5 |
| The Board of Trustees of the Leland Stanford Junior University | 6487 |
4 |
| Other owners | 235 |