Patent holdings for IPC class G11B 27/32

Total number of patents in this class: 1289

10-year publication summary

60
79
121
72
97
79
56
57
41
5
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Sony Corporation
43704
179
Koninklijke Philips Electronics N.V.
23064
129
Matsushita Electric Industrial Co., Ltd.
10911
73
LG Electronics Inc.
61477
58
Panasonic Intellectual Property Corporation of America
4332
38
Samsung Electronics Co., Ltd.
107772
37
Mitsubishi Electric Corporation
36454
37
Pioneer Corporation
5087
33
Sharp Corporation
13554
20
Thomson Licensing
4560
18
TiVo Solutions Inc.
319
17
Apple Inc.
38919
16
Thomson Licensing S.A.
973
15
International Business Machines Corporation
72126
13
Canon Inc.
38908
13
Toshiba Corporation
12961
13
Panasonic Corporation
24866
13
U.S. Philips Corporation
1150
12
Microsoft Corporation
11617
11
Intel Corporation
46957
11
Other owners 533