- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/0045 - Recording
Patent holdings for IPC class G11B 7/0045
Total number of patents in this class: 576
10-year publication summary
|
13
|
23
|
13
|
13
|
16
|
18
|
13
|
10
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pioneer Corporation | 4620 |
91 |
| Panasonic Corporation | 20313 |
74 |
| Sony Corporation | 31530 |
44 |
| Hitachi Consumer Electronics Co., Ltd. | 285 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
30 |
| FUJIFILM Corporation | 28829 |
17 |
| Ricoh Company, Ltd. | 13222 |
17 |
| Koninklijke Philips Electronics N.V. | 10809 |
17 |
| Matsushita Electric Industrial Co., Ltd. | 2760 |
16 |
| Taiyo Yuden Co., Ltd. | 1889 |
16 |
| NEC Corporation | 34467 |
15 |
| TDK Corporation | 6543 |
12 |
| Samsung Electronics Co., Ltd. | 139302 |
11 |
| Hitachi, Ltd. | 15239 |
11 |
| Microsoft Technology Licensing, LLC | 52911 |
11 |
| Oracle International Corporation | 12587 |
10 |
| Pioneer Digital Design and Manufacturing Corporation | 29 |
10 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
9 |
| Ceramic Data Solutions GmbH | 29 |
7 |
| LG Electronics Inc. | 71074 |
5 |
| Other owners | 123 |