- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/24 - Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Patent holdings for IPC class G11B 7/24
Total number of patents in this class: 920
10-year publication summary
|
22
|
18
|
19
|
8
|
6
|
3
|
2
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20180 |
90 |
| Sony Corporation | 31157 |
74 |
| FUJIFILM Corporation | 29208 |
58 |
| Pioneer Corporation | 4406 |
54 |
| Sharp Kabushiki Kaisha | 18813 |
26 |
| Hitachi Consumer Electronics Co., Ltd. | 285 |
25 |
| Mitsubishi Kagaku Media Co., Ltd. | 35 |
22 |
| Thomson Licensing | 3679 |
20 |
| Hewlett-Packard Development Company, L.P. | 25972 |
19 |
| Samsung Electronics Co., Ltd. | 143812 |
18 |
| Ricoh Company, Ltd. | 13215 |
18 |
| TDK Corporation | 6667 |
18 |
| Toshiba Corporation | 12273 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
17 |
| Koninklijke Philips Electronics N.V. | 10060 |
15 |
| NEC Corporation | 35291 |
13 |
| Matsushita Electric Industrial Co., Ltd. | 1871 |
13 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2873 |
13 |
| DIC Corporation | 3748 |
12 |
| Nippon Kayaku Kabushiki Kaisha | 1430 |
12 |
| Other owners | 366 |