- 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: 794
10-year publication summary
|
18
|
19
|
8
|
6
|
3
|
2
|
2
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19843 |
89 |
| Sony Corporation | 30518 |
69 |
| Pioneer Corporation | 3960 |
45 |
| FUJIFILM Corporation | 30137 |
42 |
| Hitachi Consumer Electronics Co., Ltd. | 282 |
25 |
| Sharp Kabushiki Kaisha | 18626 |
23 |
| Thomson Licensing | 3318 |
20 |
| Hewlett-Packard Development Company, L.P. | 25419 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
17 |
| TDK Corporation | 6796 |
15 |
| Samsung Electronics Co., Ltd. | 152534 |
14 |
| Mitsubishi Kagaku Media Co., Ltd. | 23 |
14 |
| NEC Corporation | 36472 |
12 |
| DIC Corporation | 3899 |
12 |
| Bayer MaterialScience AG | 754 |
11 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2846 |
11 |
| Nippon Kayaku Kabushiki Kaisha | 1462 |
11 |
| Toshiba Corporation | 12684 |
10 |
| Taiyo Yuden Co., Ltd. | 2011 |
10 |
| Sharp Corporation | 10398 |
9 |
| Other owners | 318 |