Patent holdings for IPC class G11B 23/02

Total number of patents in this class: 38

10-year publication summary

1
7
5
4
3
2
1
2
0
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
62182
10
Hewlett-Packard Development Company, L.P.
25370
7
FUJIFILM Corporation
30210
3
Seagate Technology LLC
3994
3
Sony Corporation
30440
2
3m Innovative Properties Company
17511
1
Fujitsu Limited
16989
1
Western Digital Technologies, Inc.
1801
1
Realtek Semiconductor Corp.
3423
1
Hewlett Packard Enterprise Development LP
10864
1
Finest Products Limited
15
1
Pilkin, Vitaly Evgenievich
17
1
Sony Pictures Entertainment Inc.
250
1
Zhejiang University
3358
1
Securum Capsa, Inc.
5
1
BALAS, Stjepan
1
1
Shenzhen Jia-li Industrial Development Co. Ltd
1
1
Suzhou Netzon Information Storage Technology Co., Ltd
7
1
Other owners 0