- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/243 - Record carriers characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
Patent holdings for IPC class G11B 7/243
Total number of patents in this class: 155
10-year publication summary
|
5
|
7
|
9
|
2
|
2
|
6
|
6
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20030 |
26 |
| Sony Corporation | 30910 |
25 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2879 |
12 |
| Ricoh Company, Ltd. | 13384 |
9 |
| Matsushita Electric Industrial Co., Ltd. | 1097 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3801 |
5 |
| Dexerials Corporation | 1946 |
5 |
| Sharp Kabushiki Kaisha | 18694 |
5 |
| Thomson Licensing | 3525 |
4 |
| Brigham Young University | 598 |
4 |
| Ceramic Data Solutions GmbH | 31 |
4 |
| TDK Corporation | 6873 |
3 |
| Wostec, Inc. | 25 |
3 |
| Ceramic Data Solution GmbH | 12 |
3 |
| Huawei Technologies Co., Ltd. | 114320 |
2 |
| Corning Incorporated | 10327 |
2 |
| Mitsubishi Kagaku Media Co., Ltd. | 28 |
2 |
| Isis Innovation Limited | 486 |
2 |
| Kobe Steel, Ltd. | 884 |
2 |
| Other owners | 26 |