- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 23/00 - Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus
Patent holdings for IPC class G11B 23/00
Total number of patents in this class: 85
10-year publication summary
|
8
|
6
|
0
|
3
|
7
|
1
|
3
|
7
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2822 |
7 |
| International Business Machines Corporation | 60644 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| JPMorgan Chase Bank, National Association | 10964 |
4 |
| Panasonic Corporation | 20786 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Seagate Technology LLC | 4228 |
3 |
| ODS Technology GmbH | 6 |
3 |
| General Electric Company | 18133 |
2 |
| Sony Corporation | 32931 |
2 |
| Fujitsu Limited | 19265 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| The Furukawa Electric Co., Ltd. | 3486 |
2 |
| NHK Spring Co., Ltd. | 1657 |
2 |
| UACJ Corporation | 631 |
2 |
| NXP B.V. | 2185 |
2 |
| Resonac Corporation | 2233 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Other owners | 26 |