- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/12 - Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Patent holdings for IPC class G11B 7/12
Total number of patents in this class: 104
10-year publication summary
|
1
|
4
|
1
|
0
|
0
|
0
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19680 |
19 |
| Sanyo Electric Co., Ltd. | 3535 |
13 |
| Konica Minolta Opto, Inc. | 966 |
10 |
| Seagate Technology LLC | 3994 |
8 |
| Pioneer Corporation | 3848 |
6 |
| JPMorgan Chase Bank, National Association | 8656 |
6 |
| SANYO Electronic Device Sales Co.,Ltd. | 15 |
4 |
| Koninklijke Philips Electronics N.V. | 8057 |
2 |
| Nintendo Co., Ltd. | 3214 |
2 |
| Lite-On Technology Corporation | 856 |
2 |
| SANYO Optec Design Co., Ltd. | 9 |
2 |
| Sony Corporation | 30440 |
1 |
| NEC Corporation | 36611 |
1 |
| Hewlett-Packard Development Company, L.P. | 25370 |
1 |
| Hitachi, Ltd. | 15881 |
1 |
| Texas Instruments Incorporated | 19615 |
1 |
| Koninklijke Philips N.V. | 25570 |
1 |
| Huawei Technologies Co., Ltd. | 119891 |
1 |
| SAE Magnetics (H.K.) Ltd. | 317 |
1 |
| Thomson Licensing | 3290 |
1 |
| Other owners | 21 |