- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 20/14 - Digital recording or reproducing using self-clocking codes
Patent holdings for IPC class G11B 20/14
Total number of patents in this class: 241
10-year publication summary
|
19
|
19
|
16
|
9
|
17
|
6
|
3
|
3
|
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 |
22 |
| Koninklijke Philips Electronics N.V. | 13133 |
16 |
| Sony Corporation | 32931 |
15 |
| Marvell Asia PTE, Ltd. | 6841 |
13 |
| NEC Corporation | 32703 |
9 |
| Cavium International | 5549 |
9 |
| Hitachi Consumer Electronics Co., Ltd. | 300 |
8 |
| International Business Machines Corporation | 60644 |
7 |
| Toshiba Corporation | 12017 |
7 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
7 |
| Seagate Technology LLC | 4228 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Marvell International Ltd. | 1224 |
5 |
| Nidec Sankyo Corporation | 1117 |
5 |
| Avago Technologies International Sales Pte. Limited | 9260 |
5 |
| Beijing Zitiao Network Technology Co., Ltd. | 1927 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Thomson Licensing | 4027 |
4 |
| Pioneer Corporation | 4843 |
4 |
| JPMorgan Chase Bank, National Association | 10964 |
4 |
| Other owners | 79 |