- 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: 419
10-year publication summary
|
57
|
44
|
56
|
46
|
70
|
41
|
48
|
34
|
48
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5105 |
10 |
| ResMed Pty Ltd | 2201 |
10 |
| 3m Innovative Properties Company | 17450 |
9 |
| AcuFocus, Inc. | 70 |
7 |
| Johnson & Johnson Consumer Inc. | 336 |
7 |
| James L Orrington II DDS PC, DBA Chatham Dental Care | 32 |
7 |
| Eyeeco Holdings, LLC | 8 |
7 |
| Manta Sleep LLC | 34 |
6 |
| Journey1, Inc. | 38 |
6 |
| ResMed Asia Pte Ltd | 174 |
6 |
| OCuSOFT, Inc. | 166 |
5 |
| Nexis Vision Liquidating Trust | 17 |
5 |
| Arthrex, Inc. | 1733 |
4 |
| The Catholic University of Korea Industry-academic Cooperation Foundation | 879 |
4 |
| Dexerials Corporation | 2010 |
4 |
| Headwaters Incorporated | 40 |
4 |
| Neatcap LLC | 7 |
4 |
| Pabban Development, Inc. | 22 |
4 |
| Sight Sciences, Inc. | 134 |
4 |
| Capital One, National Association, AS Agent | 41 |
4 |
| Other owners | 302 |