- 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 13/534 - 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 an inhomogeneous composition through the thickness of the pad
Patent holdings for IPC class A61F 13/534
Total number of patents in this class: 818
10-year publication summary
|
105
|
93
|
83
|
69
|
73
|
57
|
49
|
46
|
52
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21855 |
227 |
| Unicharm Corporation | 2968 |
125 |
| Daio Paper Corporation | 1408 |
66 |
| Kao Corporation | 5076 |
61 |
| Kimberly-clark Worldwide, Inc. | 5308 |
26 |
| Ontex Group NV | 185 |
23 |
| Drylock Technologies, naamloze vennootschap | 322 |
22 |
| Uni-Charm Corporation | 599 |
16 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
13 |
| Essity Hygiene and Health Aktiebolag | 2061 |
13 |
| Zuiko Corporation | 435 |
12 |
| Attends Healthcare Products, Inc. | 138 |
11 |
| ONTEX, besloten vennootschap | 175 |
10 |
| Paul Hartmann AG | 790 |
9 |
| Glatfelter Falkenhagen GmbH | 21 |
7 |
| Nippon Shokubai Co., Ltd. | 1538 |
7 |
| Oji Holdings Corporation | 797 |
7 |
| Libeltex | 6 |
6 |
| Livedo Corporation | 161 |
6 |
| Toray Industries, Inc. | 7113 |
5 |
| Other owners | 146 |