Patent holdings for IPC class G11B 7/007

Total number of patents in this class: 493

10-year publication summary

37
36
21
13
6
6
4
2
2
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sony Corporation
30805
59
Pioneer Corporation
4170
50
Panasonic Corporation
19969
44
Hitachi Consumer Electronics Co., Ltd.
282
34
Sharp Kabushiki Kaisha
18639
30
Samsung Electronics Co., Ltd.
148924
26
Panasonic Intellectual Property Management Co., Ltd.
32352
26
Koninklijke Philips Electronics N.V.
8877
14
Memory-Tech Holdings Inc.
20
14
LG Electronics Inc.
73678
12
Thomson Licensing
3467
11
Pioneer Digital Design and Manufacturing Corporation
29
11
TDK Corporation
6887
10
Taiyo Yuden Co., Ltd.
1985
10
Sharp Corporation
10299
9
Oracle International Corporation
13096
8
Case Western Reserve University
1844
7
Mitsubishi Electric Corporation
46870
6
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6238
5
Hitachi, Ltd.
15679
4
Other owners 103