- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/28 - Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
Patent holdings for IPC class G11B 27/28
Total number of patents in this class: 911
10-year publication summary
145
|
121
|
127
|
88
|
78
|
68
|
44
|
45
|
23
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Google LLC | 38759 |
53 |
Sony Corporation | 32931 |
39 |
Microsoft Technology Licensing, LLC | 51439 |
29 |
DISH Technologies L.L.C. | 1666 |
28 |
Panasonic Intellectual Property Corporation of America | 7230 |
25 |
Samsung Electronics Co., Ltd. | 131630 |
23 |
Genius Sports Ss, LLC | 50 |
22 |
Koninklijke Philips Electronics N.V. | 13133 |
20 |
Apple Inc. | 50209 |
18 |
Thomson Licensing | 4027 |
18 |
Adobe Inc. | 6700 |
18 |
Motorola Solutions, Inc. | 4355 |
15 |
Snap Inc. | 4604 |
12 |
Rovi Guides, Inc. | 3236 |
12 |
Verizon Patent And Licensing Inc. | 6900 |
11 |
Nokia Technologies Oy | 15057 |
11 |
GoPro, Inc. | 1915 |
11 |
Gracenote, Inc. | 408 |
10 |
International Business Machines Corporation | 60644 |
9 |
Spotify AB | 880 |
9 |
Other owners | 518 |