- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/0055 - Erasing
Patent holdings for IPC class G11B 7/0055
Total number of patents in this class: 17
10-year publication summary
|
5
|
2
|
1
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19739 |
3 |
| FUJIFILM Corporation | 30213 |
3 |
| LG Electronics Inc. | 74878 |
2 |
| Sony Corporation | 30451 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33438 |
2 |
| Shanghai Bixiufu Enterprise Management Co., Ltd. | 189 |
2 |
| Alibaba Group Holding Limited | 6910 |
1 |
| Hitachi Consumer Electronics Co., Ltd. | 282 |
1 |
| Hangzhou Hikvision Digital Technology Co., Ltd. | 1328 |
1 |
| Other owners | 0 |