Patent holdings for IPC class D21H 19/20

Total number of patents in this class: 565

10-year publication summary

30
33
28
36
40
45
47
58
54
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kuraray Co., Ltd.
3557
30
Dow Global Technologies LLC
10720
23
BASF SE
21151
22
Daikin Industries, Ltd.
10227
15
Oji Holdings Corporation
761
13
Kemira Oyj
1231
12
WestRock MWV, LLC
335
12
Rohm and Haas Company
2946
11
Société des Produits Nestlé S.A.
9931
10
UPM-Kymmene Corporation
964
10
Hewlett-Packard Development Company, L.P.
25446
9
Stora Enso Oyj
1648
9
Kimberly-clark Worldwide, Inc.
5312
8
Henkel AG & Co. KGaA
10699
8
Billerudkorsnas AB
88
8
Mitsubishi HiTec Paper Europe GmbH
70
8
Harima Chemicals, Inc.
203
7
Mondi AG
193
7
Nippon Paper Industries Co., Ltd.
834
7
Seiko PMC Corporation
85
7
Other owners 329