- 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 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
Patent holdings for IPC class A61F 13/532
Total number of patents in this class: 801
10-year publication summary
|
52
|
98
|
71
|
100
|
78
|
67
|
50
|
49
|
35
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22045 |
262 |
| Unicharm Corporation | 2871 |
113 |
| Daio Paper Corporation | 1379 |
67 |
| Kao Corporation | 4968 |
53 |
| Ontex Group NV | 163 |
37 |
| Essity Hygiene and Health Aktiebolag | 2045 |
32 |
| Drylock Technologies, naamloze vennootschap | 265 |
22 |
| Zuiko Corporation | 429 |
18 |
| DSG Technology Holdings Ltd. | 42 |
18 |
| ONTEX, besloten vennootschap | 155 |
18 |
| Kimberly-clark Worldwide, Inc. | 5499 |
15 |
| BASF SE | 20945 |
14 |
| Bostik, Inc. | 204 |
11 |
| G.D S.p.A. | 1086 |
10 |
| Uni-Charm Corporation | 602 |
9 |
| Oji Holdings Corporation | 724 |
9 |
| Ontex BVBA | 56 |
8 |
| Livedo Corporation | 157 |
7 |
| Paul Hartmann AG | 784 |
5 |
| Sumitomo Seika Chemicals Co., Ltd. | 1044 |
5 |
| Other owners | 68 |