- All sections
- A - Human necessities
- A61F - Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits
- A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon 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: 767
10-year publication summary
77
|
56
|
105
|
73
|
103
|
77
|
68
|
49
|
48
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Procter & Gamble Company | 22178 |
246 |
Unicharm Corporation | 2744 |
105 |
Daio Paper Corporation | 1407 |
61 |
Kao Corporation | 4843 |
53 |
Ontex Group NV | 141 |
36 |
Essity Hygiene and Health Aktiebolag | 1990 |
30 |
Drylock Technologies, naamloze vennootschap | 252 |
21 |
Kimberly-clark Worldwide, Inc. | 5854 |
18 |
DSG Technology Holdings Ltd. | 39 |
18 |
Zuiko Corporation | 411 |
17 |
ONTEX, besloten vennootschap | 143 |
17 |
BASF SE | 19740 |
14 |
Bostik, Inc. | 221 |
11 |
G.D S.p.A. | 929 |
10 |
Uni-Charm Corporation | 611 |
9 |
Oji Holdings Corporation | 660 |
9 |
Livedo Corporation | 179 |
8 |
Ontex BVBA | 60 |
8 |
Paul Hartmann AG | 771 |
4 |
SCA Hygiene Products AB | 730 |
4 |
Other owners | 68 |