- 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: 48
10-year publication summary
|
3
|
2
|
2
|
1
|
1
|
0
|
1
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30461 |
5 |
| Samsung Electronics Co., Ltd. | 153093 |
3 |
| Panasonic Corporation | 19786 |
3 |
| Koninklijke Philips Electronics N.V. | 8120 |
3 |
| Pioneer Corporation | 3855 |
3 |
| General Electric Company | 13811 |
2 |
| Mitsubishi Electric Corporation | 47522 |
2 |
| JVC Kenwood Corporation | 3106 |
2 |
| Pioneer Digital Design and Manufacturing Corporation | 29 |
2 |
| Rovi Technologies Corporation | 75 |
2 |
| FDD Technologies sa/ag/ltd | 3 |
2 |
| Citizen Digital Inc. | 7 |
2 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2656 |
2 |
| Hitachi Consumer Electronics Co., Ltd. | 282 |
1 |
| Koninklijke Philips N.V. | 25511 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
1 |
| Microsoft Technology Licensing, LLC | 54210 |
1 |
| Marvell World Trade Ltd. | 913 |
1 |
| Alps Electric Co., Ltd. | 788 |
1 |
| JPMorgan Chase Bank, National Association | 8661 |
1 |
| Other owners | 8 |