Patent holdings for IPC class G11B 27/10

Total number of patents in this class: 3843

10-year publication summary

115
151
215
334
328
421
348
266
230
142
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Sony Corporation
43793
351
Koninklijke Philips Electronics N.V.
25790
206
Matsushita Electric Industrial Co., Ltd.
13015
137
Samsung Electronics Co., Ltd.
105336
123
LG Electronics Inc.
59901
93
Pioneer Corporation
5114
93
Apple Inc.
37210
91
Panasonic Corporation
25244
78
International Business Machines Corporation
73328
67
Google LLC
30549
61
Thomson Licensing S.A.
1298
59
Thomson Licensing
4800
57
Mitsubishi Electric Corporation
35086
56
Sonos, Inc.
1335
53
Microsoft Technology Licensing, LLC
47447
37
GoPro, Inc.
1262
36
Rovi Guides, Inc.
1839
36
Panasonic Intellectual Property Corporation of America
4106
33
AT&T Intellectual Property I, L.P.
10575
31
Sharp Kabushiki Kaisha
18185
29
Other owners 2116