- 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: 412
10-year publication summary
|
25
|
6
|
9
|
11
|
21
|
11
|
6
|
19
|
3
|
7
|
| 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. | 155224 |
27 |
| Hitachi, Ltd. | 15944 |
22 |
| Fujitsu Limited | 16991 |
16 |
| Microsoft Technology Licensing, LLC | 54289 |
15 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6200 |
15 |
| NEC Corporation | 36631 |
14 |
| Amethystum Storage Technology Co., Ltd. | 14 |
11 |
| Mitsubishi Chemical Corporation | 4665 |
10 |
| Pioneer Corporation | 3803 |
9 |
| Sony Corporation | 30327 |
7 |
| International Business Machines Corporation | 62325 |
7 |
| Alps Electric Co., Ltd. | 770 |
7 |
| Hitachi-LG Data Storage, Inc. | 183 |
7 |
| Blue Ridge Innovations, LLC | 224 |
7 |
| Thomson Licensing | 3266 |
6 |
| Covestro Deutschland AG | 2808 |
6 |
| National Central University | 254 |
6 |
| Sony Group Corporation | 15313 |
6 |
| National University Corporation Hokkaido University | 1354 |
5 |
| Other owners | 136 |