- 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: 502
10-year publication summary
|
47
|
52
|
25
|
6
|
9
|
11
|
21
|
11
|
6
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Consumer Electronics Co., Ltd. | 300 |
75 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| Pioneer Corporation | 4843 |
27 |
| Fujitsu Limited | 19265 |
25 |
| Hitachi, Ltd. | 16452 |
22 |
| Koninklijke Philips Electronics N.V. | 13133 |
22 |
| Alps Electric Co., Ltd. | 851 |
16 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
15 |
| NEC Corporation | 32703 |
14 |
| General Electric Company | 18133 |
13 |
| FUJIFILM Corporation | 27102 |
13 |
| Microsoft Technology Licensing, LLC | 51439 |
11 |
| Amethystum Storage Technology Co., Ltd. | 14 |
11 |
| Sony Corporation | 32931 |
10 |
| Thomson Licensing | 4027 |
10 |
| Hitachi-LG Data Storage, Inc. | 189 |
7 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
6 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Covestro Deutschland AG | 2429 |
6 |
| Sharp Kabushiki Kaisha | 18957 |
6 |
| Other owners | 157 |