Patent holdings for IPC class G11B 7/005

Total number of patents in this class: 337

10-year publication summary

26
25
18
9
6
10
12
3
6
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Panasonic Intellectual Property Management Co., Ltd.
31221
41
Panasonic Corporation
20136
37
Sony Corporation
31093
34
Pioneer Corporation
4377
32
Hitachi Consumer Electronics Co., Ltd.
285
24
Sharp Kabushiki Kaisha
18775
12
Koninklijke Philips Electronics N.V.
9765
10
Mitsubishi Electric Corporation
45962
10
NEC Corporation
35521
8
Sharp Corporation
10312
7
Memory-Tech Holdings Inc.
20
7
Matsushita Electric Industrial Co., Ltd.
1639
6
Case Western Reserve University
1812
6
Samsung Electronics Co., Ltd.
145416
5
Oracle International Corporation
12925
5
Thomson Licensing
3634
5
Pioneer Digital Design and Manufacturing Corporation
29
5
Taiyo Yuden Co., Ltd.
1930
5
Hitachi, Ltd.
15459
4
TDK Corporation
6701
4
Other owners 70