Patent holdings for IPC class D21H 19/70

Total number of patents in this class: 10

10-year publication summary

1
0
2
0
0
0
0
0
1
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
MeadWestvaco Corporation
312
2
Toppan Printing Co., Ltd.
2123
2
3m Innovative Properties Company
17737
1
Konica Minolta Holdings, Inc.
880
1
Siniat International SAS
22
1
Stora Enso Oyj
1662
1
WestRock MWV, LLC
340
1
Toppan Holdings Inc.
670
1
Other owners 0