- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/00 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower powerRecord carriers therefor
Patent holdings for IPC class G11B 7/00
Total number of patents in this class: 886
10-year publication summary
|
40
|
22
|
32
|
18
|
11
|
10
|
4
|
3
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20142 |
128 |
| Toshiba Corporation | 12317 |
44 |
| Sony Corporation | 31107 |
39 |
| Seagate Technology LLC | 3972 |
37 |
| Samsung Electronics Co., Ltd. | 145025 |
30 |
| LG Electronics Inc. | 72737 |
24 |
| Hitachi Consumer Electronics Co., Ltd. | 285 |
24 |
| Oracle International Corporation | 12919 |
22 |
| Tian Holdings, LLC | 37 |
22 |
| Mediatek Inc. | 5091 |
17 |
| JPMorgan Chase Bank, National Association | 8542 |
15 |
| Hitachi-LG Data Storage, Inc. | 183 |
14 |
| JVC Kenwood Corporation | 3005 |
13 |
| Via Technologies, Inc. | 1186 |
12 |
| Texas Instruments Incorporated | 19494 |
11 |
| Oracle America, Inc. | 3160 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
11 |
| Hitachi Media Electronics Co., Ltd. | 18 |
11 |
| Mitsubishi Electric Corporation | 45946 |
10 |
| Pioneer Corporation | 4378 |
10 |
| Other owners | 381 |