- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/0065 - Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Patent holdings for IPC class G11B 7/0065
Total number of patents in this class: 429
10-year publication summary
|
25
|
6
|
9
|
11
|
21
|
11
|
6
|
18
|
3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Consumer Electronics Co., Ltd. | 282 |
73 |
| Samsung Electronics Co., Ltd. | 151485 |
28 |
| Hitachi, Ltd. | 15800 |
22 |
| Fujitsu Limited | 17357 |
17 |
| Microsoft Technology Licensing, LLC | 54168 |
15 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6221 |
15 |
| NEC Corporation | 36448 |
14 |
| Pioneer Corporation | 4032 |
12 |
| Mitsubishi Chemical Corporation | 4666 |
11 |
| Amethystum Storage Technology Co., Ltd. | 14 |
11 |
| Alps Electric Co., Ltd. | 794 |
8 |
| Sony Corporation | 30588 |
7 |
| International Business Machines Corporation | 61929 |
7 |
| Thomson Licensing | 3345 |
7 |
| Hitachi-LG Data Storage, Inc. | 184 |
7 |
| Blue Ridge Innovations, LLC | 226 |
7 |
| Koninklijke Philips Electronics N.V. | 8370 |
6 |
| Covestro Deutschland AG | 2794 |
6 |
| National Central University | 250 |
6 |
| Sharp Kabushiki Kaisha | 18640 |
6 |
| Other owners | 144 |