- 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: 518
10-year publication summary
|
13
|
23
|
13
|
13
|
15
|
17
|
12
|
9
|
16
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20074 |
74 |
| Pioneer Corporation | 4314 |
70 |
| Sony Corporation | 30979 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
31 |
| Hitachi Consumer Electronics Co., Ltd. | 283 |
30 |
| FUJIFILM Corporation | 29489 |
16 |
| Taiyo Yuden Co., Ltd. | 1939 |
16 |
| NEC Corporation | 35827 |
12 |
| Koninklijke Philips Electronics N.V. | 9462 |
12 |
| Hitachi, Ltd. | 15531 |
11 |
| TDK Corporation | 6791 |
11 |
| Microsoft Technology Licensing, LLC | 53829 |
11 |
| Samsung Electronics Co., Ltd. | 147131 |
10 |
| Oracle International Corporation | 12961 |
10 |
| Pioneer Digital Design and Manufacturing Corporation | 29 |
10 |
| Ceramic Data Solutions GmbH | 29 |
9 |
| Ricoh Company, Ltd. | 13279 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6271 |
8 |
| Matsushita Electric Industrial Co., Ltd. | 1306 |
7 |
| LG Electronics Inc. | 73393 |
5 |
| Other owners | 116 |