Patent holdings for IPC class G11B 7/007

Total number of patents in this class: 600

10-year publication summary

37
36
21
13
6
6
4
2
1
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Pioneer Corporation
4628
77
Sony Corporation
31541
61
Panasonic Corporation
20315
45
Hitachi Consumer Electronics Co., Ltd.
285
34
Samsung Electronics Co., Ltd.
139001
32
Sharp Kabushiki Kaisha
18867
30
Panasonic Intellectual Property Management Co., Ltd.
29733
26
Koninklijke Philips Electronics N.V.
10844
21
Mitsubishi Electric Corporation
44851
19
Thomson Licensing
3794
15
LG Electronics Inc.
71039
14
Memory-Tech Holdings Inc.
20
14
Matsushita Electric Industrial Co., Ltd.
2826
11
FUJIFILM Corporation
28805
11
Pioneer Digital Design and Manufacturing Corporation
29
11
TDK Corporation
6539
10
Taiyo Yuden Co., Ltd.
1887
10
Sharp Corporation
10191
9
Ricoh Company, Ltd.
13216
8
Oracle International Corporation
12580
8
Other owners 134