Patent holdings for IPC class G11B 15/18

Total number of patents in this class: 137

10-year publication summary

6
13
8
10
4
2
4
5
5
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
International Business Machines Corporation
62153
37
JPMorgan Chase Bank, National Association
8652
14
Oracle America, Inc.
2669
7
FUJIFILM Corporation
30213
6
Apple Inc.
58024
4
Hewlett Packard Enterprise Development LP
10842
4
Grass Valley Canada
201
4
Marvell Asia PTE, Ltd.
6344
4
Cavium International
4774
4
Hewlett-Packard Development Company, L.P.
25392
3
Seagate Technology LLC
3989
3
Marvell International Ltd.
1127
3
Dell Products L.P.
16193
3
Group 47, Inc.
5
3
Spectra Logic Corporation
131
3
Alter Domus (US) LLC, AS Agent for The Secured Parties
200
3
Toshiba Corporation
12677
2
Oracle International Corporation
13417
2
Lapis Semiconductor Co., Ltd.
839
2
NHK Spring Co., Ltd.
1934
2
Other owners 24