- All sections
- A - Human necessities
- A61F - Filters implantable into blood vesselsprosthesesdevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stentsorthopaedic, nursing or contraceptive devicesfomentationtreatment or protection of eyes or earsbandages, dressings or absorbent padsfirst-aid kits
- A61F 9/04 - Eye-masks
Patent holdings for IPC class A61F 9/04
Total number of patents in this class: 379
10-year publication summary
|
45
|
53
|
41
|
55
|
43
|
63
|
37
|
42
|
33
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17823 |
9 |
| Kao Corporation | 4967 |
9 |
| AcuFocus, Inc. | 72 |
7 |
| Johnson & Johnson Consumer Inc. | 355 |
7 |
| ResMed Pty Ltd | 2101 |
7 |
| Eyeeco Holdings, LLC | 16 |
7 |
| Manta Sleep LLC | 24 |
6 |
| Journey1, Inc. | 33 |
6 |
| OCuSOFT, Inc. | 152 |
5 |
| Nexis Vision Liquidating Trust | 17 |
5 |
| Headwaters Incorporated | 41 |
4 |
| Pabban Development, Inc. | 16 |
4 |
| Vomaris Innovations, Inc. | 77 |
4 |
| Capital One, National Association, AS Agent | 43 |
4 |
| Instituto Panameño de Derecho y Nuevas Tecnologías (ipandetec) | 7 |
4 |
| Apple Inc. | 55174 |
3 |
| Illinois Tool Works Inc. | 11478 |
3 |
| Abominable Labs, LLC | 17 |
3 |
| Carl Zeiss Vision International GmbH | 633 |
3 |
| Dexerials Corporation | 1934 |
3 |
| Other owners | 276 |