Patent holdings for IPC class D21H 19/70

Total number of patents in this class: 9

10-year publication summary

0
2
0
0
0
0
0
1
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
MeadWestvaco Corporation
277
2
Toppan Printing Co., Ltd.
2096
2
3m Innovative Properties Company
17491
1
Siniat International SAS
22
1
Stora Enso Oyj
1635
1
WestRock MWV, LLC
331
1
Toppan Holdings Inc.
849
1
Other owners 0