- 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 power; Record carriers therefor
Patent holdings for IPC class G11B 7/00
Total number of patents in this class: 1150
10-year publication summary
|
45
|
40
|
22
|
32
|
18
|
10
|
10
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
144 |
| Samsung Electronics Co., Ltd. | 131630 |
64 |
| LG Electronics Inc. | 69257 |
53 |
| Toshiba Corporation | 12017 |
46 |
| Seagate Technology LLC | 4228 |
44 |
| Sony Corporation | 32931 |
41 |
| Mitsubishi Electric Corporation | 43934 |
32 |
| Tian Holdings, LLC | 53 |
32 |
| Hitachi Consumer Electronics Co., Ltd. | 300 |
30 |
| Koninklijke Philips Electronics N.V. | 13133 |
24 |
| Oracle International Corporation | 12313 |
22 |
| Mediatek Inc. | 4584 |
22 |
| Pioneer Corporation | 4843 |
19 |
| JVC Kenwood Corporation | 2774 |
17 |
| JPMorgan Chase Bank, National Association | 10964 |
16 |
| Hitachi-LG Data Storage, Inc. | 189 |
15 |
| Hitachi Media Electronics Co., Ltd. | 26 |
15 |
| TDK Corporation | 6306 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Via Technologies, Inc. | 1329 |
13 |
| Other owners | 475 |