- 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: 1184
10-year publication summary
|
26
|
22
|
18
|
19
|
8
|
6
|
3
|
2
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
95 |
| FUJIFILM Corporation | 27102 |
92 |
| Sony Corporation | 32931 |
78 |
| Pioneer Corporation | 4843 |
76 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
48 |
| Ricoh Company, Ltd. | 13266 |
34 |
| Koninklijke Philips Electronics N.V. | 13133 |
31 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| Mitsubishi Electric Corporation | 43934 |
28 |
| Mitsubishi Kagaku Media Co., Ltd. | 42 |
27 |
| Sharp Kabushiki Kaisha | 18957 |
26 |
| Hitachi Consumer Electronics Co., Ltd. | 300 |
25 |
| Thomson Licensing | 4027 |
22 |
| Hewlett-Packard Development Company, L.P. | 28538 |
19 |
| TDK Corporation | 6306 |
19 |
| Toshiba Corporation | 12017 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
17 |
| General Electric Company | 18133 |
15 |
| NEC Corporation | 32703 |
14 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
13 |
| Other owners | 458 |