- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 19/12 - Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of records, e.g. diameter
Patent holdings for IPC class G11B 19/12
Total number of patents in this class: 67
10-year publication summary
|
2
|
3
|
2
|
2
|
1
|
1
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138729 |
6 |
| Matsushita Electric Industrial Co., Ltd. | 2890 |
6 |
| Koninklijke Philips Electronics N.V. | 10889 |
6 |
| Pioneer Corporation | 4636 |
6 |
| Sony Corporation | 31550 |
5 |
| Panasonic Corporation | 20322 |
3 |
| General Electric Company | 17783 |
2 |
| Hewlett-Packard Development Company, L.P. | 27473 |
2 |
| Mitsubishi Electric Corporation | 44794 |
2 |
| JVC Kenwood Corporation | 2920 |
2 |
| Pioneer Digital Design and Manufacturing Corporation | 29 |
2 |
| Rovi Technologies Corporation | 83 |
2 |
| FDD Technologies sa/ag/ltd | 3 |
2 |
| LG Electronics Inc. | 70957 |
1 |
| Hitachi Consumer Electronics Co., Ltd. | 286 |
1 |
| Koninklijke Philips N.V. | 23971 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
1 |
| Microsoft Technology Licensing, LLC | 52893 |
1 |
| Marvell World Trade Ltd. | 948 |
1 |
| Alps Electric Co., Ltd. | 835 |
1 |
| Other owners | 14 |