- 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: 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 |