- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 23/023 - Containers for magazines or cassettes
Patent holdings for IPC class G11B 23/023
Total number of patents in this class: 50
10-year publication summary
|
6
|
3
|
7
|
11
|
2
|
1
|
1
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 30018 |
10 |
| International Business Machines Corporation | 60336 |
7 |
| Sony Corporation | 31486 |
4 |
| Sony Semiconductor Solutions Corporation | 9844 |
4 |
| Fujitsu Limited | 18413 |
3 |
| Quantum Corporation | 305 |
3 |
| FUJIFILM Corporation | 28873 |
2 |
| Dell Products L.P. | 13358 |
2 |
| Scanavo A/S | 14 |
2 |
| Samsung Electronics Co., Ltd. | 140289 |
1 |
| Sony Computer Entertainment Inc. | 1026 |
1 |
| NEC Corporation | 34662 |
1 |
| Panasonic Corporation | 20284 |
1 |
| Western Digital Technologies, Inc. | 1670 |
1 |
| Entegris, Inc. | 1822 |
1 |
| Finest Products Limited | 16 |
1 |
| IBM United Kingdom Limited | 4379 |
1 |
| Pioneer Digital Design and Manufacturing Corporation | 29 |
1 |
| Venture Corporation Limited | 21 |
1 |
| IBM (China) Investment Co Ltd | 2043 |
1 |
| Other owners | 2 |