- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/32 - 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 on separate auxiliary tracks of the same or an auxiliary record carrier
Patent holdings for IPC class G11B 27/32
Total number of patents in this class: 778
10-year publication summary
|
73
|
101
|
81
|
58
|
61
|
43
|
30
|
32
|
17
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
52 |
| Panasonic Intellectual Property Corporation of America | 7230 |
40 |
| Koninklijke Philips Electronics N.V. | 13133 |
36 |
| Mitsubishi Electric Corporation | 43934 |
33 |
| TiVo Solutions Inc. | 287 |
24 |
| Apple Inc. | 50209 |
21 |
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| Thomson Licensing | 4027 |
12 |
| Canon Inc. | 36841 |
11 |
| Intel Corporation | 45621 |
11 |
| DivX, LLC | 274 |
11 |
| The Nielsen Company (US), LLC | 2549 |
11 |
| Saturn Licensing LLC | 1502 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
10 |
| SundaySky Ltd. | 13 |
10 |
| Microsoft Technology Licensing, LLC | 51439 |
9 |
| InterDigital CE Patent Holdings, SAS | 1017 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| U.S. Philips Corporation | 653 |
8 |
| Other owners | 425 |