Patent holdings for IPC class G11B 5/842

Total number of patents in this class: 50

10-year publication summary

6
8
7
4
6
6
2
1
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sony Corporation
31518
16
FUJIFILM Corporation
28841
16
Dowa Electronics Materials Co., Ltd.
624
9
Sony Group Corporation
12761
3
International Business Machines Corporation
60224
2
IdeaPaint, Inc.
12
1
Imation Corp.
39
1
Toda Kogyo Corporation
341
1
SPN International Pte Ltd.
3
1
Other owners 0