- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/84 - Processes or apparatus specially adapted for manufacturing record carriers
Patent holdings for IPC class G11B 5/84
Total number of patents in this class: 1322
10-year publication summary
|
94
|
66
|
59
|
74
|
36
|
42
|
38
|
45
|
53
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2753 |
264 |
| FUJIFILM Corporation | 29543 |
80 |
| JPMorgan Chase Bank, National Association | 8570 |
72 |
| Showa Denko K.K. | 2204 |
70 |
| Seagate Technology LLC | 3970 |
52 |
| The Furukawa Electric Co., Ltd. | 3678 |
46 |
| Sony Group Corporation | 14085 |
45 |
| UACJ Corporation | 701 |
42 |
| Konica Minolta Opto, Inc. | 1066 |
39 |
| Resonac Hard Disk Corporation | 182 |
36 |
| Kao Corporation | 4979 |
29 |
| Pioneer Corporation | 4296 |
29 |
| Konica Minolta, Inc. | 8784 |
24 |
| Asahi Glass Company, Limited | 2760 |
21 |
| ULVAC, Inc. | 1378 |
18 |
| Konica Minolta Advanced Layers, Inc. | 217 |
17 |
| Applied Materials, Inc. | 18861 |
16 |
| Fuji Electric Co., Ltd. | 5194 |
16 |
| Canon Anelva Corporation | 683 |
16 |
| Resonac Corporation | 2886 |
16 |
| Other owners | 374 |