- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/125 - Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devicesModulators, e.g. means for controlling the size or intensity of optical spots or optical traces
Patent holdings for IPC class G11B 7/125
Total number of patents in this class: 254
10-year publication summary
|
5
|
3
|
2
|
5
|
3
|
2
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 18809 |
59 |
| Pioneer Corporation | 3765 |
24 |
| Sony Corporation | 30097 |
14 |
| NEC Corporation | 37227 |
14 |
| Konica Minolta Opto, Inc. | 894 |
12 |
| Hitachi Consumer Electronics Co., Ltd. | 282 |
10 |
| TDK Corporation | 6927 |
9 |
| Sanyo Electric Co., Ltd. | 3391 |
7 |
| Samsung Electronics Co., Ltd. | 158605 |
6 |
| Mitsubishi Electric Corporation | 48236 |
6 |
| Taiyo Yuden Co., Ltd. | 2042 |
6 |
| Sharp Kabushiki Kaisha | 18495 |
6 |
| Koninklijke Philips Electronics N.V. | 7243 |
5 |
| Seagate Technology LLC | 3962 |
5 |
| Hewlett-Packard Development Company, L.P. | 25174 |
4 |
| Thomson Licensing | 3169 |
4 |
| Konica Minolta, Inc. | 9159 |
4 |
| Asahi Glass Company, Limited | 2605 |
3 |
| JPMorgan Chase Bank, National Association | 8971 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6165 |
3 |
| Other owners | 50 |