- 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 13/53 - 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
Patent holdings for IPC class A61F 13/53
Total number of patents in this class: 2204
10-year publication summary
188
|
211
|
204
|
211
|
224
|
234
|
182
|
147
|
111
|
32
|
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 |
404 |
Unicharm Corporation | 2744 |
384 |
Kimberly-clark Worldwide, Inc. | 5854 |
196 |
Sumitomo Seika Chemicals Co., Ltd. | 1028 |
155 |
Kao Corporation | 4843 |
140 |
Daio Paper Corporation | 1407 |
131 |
Nippon Shokubai Co., Ltd. | 1487 |
69 |
Essity Hygiene and Health Aktiebolag | 1990 |
64 |
Uni-Charm Corporation | 611 |
43 |
BASF SE | 19740 |
25 |
Livedo Corporation | 179 |
20 |
Zuiko Corporation | 411 |
20 |
Medline Industries, LP | 2076 |
18 |
SDP Global Co., Ltd. | 38 |
16 |
DSG Technology Holdings Ltd. | 39 |
16 |
LG Chem, Ltd. | 17205 |
15 |
EDGEWELL Personal Care Brands, LLC | 1402 |
15 |
Medline Industries, Inc. | 233 |
13 |
Attends Healthcare Products, Inc. | 153 |
12 |
Oji Holdings Corporation | 660 |
12 |
Other owners | 436 |