- 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: 1337
10-year publication summary
|
66
|
59
|
74
|
36
|
42
|
38
|
45
|
52
|
60
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2717 |
258 |
| FUJIFILM Corporation | 30516 |
85 |
| JPMorgan Chase Bank, National Association | 8958 |
72 |
| Showa Denko K.K. | 2069 |
65 |
| Sony Group Corporation | 15697 |
55 |
| Seagate Technology LLC | 3958 |
53 |
| Resonac Hard Disk Corporation | 206 |
53 |
| The Furukawa Electric Co., Ltd. | 3695 |
47 |
| UACJ Corporation | 740 |
43 |
| Konica Minolta Opto, Inc. | 905 |
32 |
| Kao Corporation | 5076 |
30 |
| Pioneer Corporation | 3777 |
26 |
| Konica Minolta, Inc. | 9125 |
24 |
| Asahi Glass Company, Limited | 2619 |
21 |
| ULVAC, Inc. | 1343 |
18 |
| Resonac Corporation | 3546 |
18 |
| Konica Minolta Advanced Layers, Inc. | 217 |
17 |
| Applied Materials, Inc. | 20406 |
16 |
| Fuji Electric Co., Ltd. | 5488 |
16 |
| Canon Anelva Corporation | 684 |
16 |
| Other owners | 372 |