Patent holdings for IPC class G11B 15/22

Total number of patents in this class: 4

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
International Business Machines Corporation
62769
1
Canon Inc.
44222
1
JPMorgan Chase Bank, National Association
8975
1
Hewlett Packard Enterprise Development LP
11529
1
Other owners 0